AccentCare, Inc.NewRegistered Nurse, Home Health $10,000 Bonus AccentCare, Inc.Registered Nurse, Home Health $10,000 BonusNorfolk, MA$99,000–$115,000We’re proud to be named one of America’s Greatest Workplaces 2025 by Newsweek — a reflection of our shared commitment to excellence, integrity and compassion as we shape the future of aging in place. Graduate from an approved school of professional nursing and currently licensed to practice as a registered nurse in the state of agency operation.
AccentCare, Inc.NewRegistered Nurse, Home Health Weekend $20,000 Bonus AccentCare, Inc.Registered Nurse, Home Health Weekend $20,000 BonusBrockton, MA$90,000–$100,000We’re proud to be named one of America’s Greatest Workplaces 2025 by Newsweek — a reflection of our shared commitment to excellence, integrity and compassion as we shape the future of aging in place. Graduate from an approved school of professional nursing and currently licensed to practice as a registered nurse in the state of agency operation.
JobotNewRegistered Nurse - OR Circulator JobotRegistered Nurse - OR CirculatorWaltham, MA$45–$64 / hourInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We are seeking a highly skilled and experienced Registered Nurse OR Circulator to join our dynamic team at our outpatient surgery center.
AccentCare, Inc.NewRN Director Inpatient Hospice Operations AccentCare, Inc.RN Director Inpatient Hospice OperationsMilton, MA$120,000–$140,000As our Inpatient Clinical Nurse Manager, you’ll play a central role in bringing this center to life—leading a dedicated interdisciplinary hospice team and ensuring every patient and family receives exceptional, heartfelt support. We’re proud to be named one of America’s Greatest Workplaces 2025 by Newsweek — a reflection of our shared commitment to excellence, integrity and compassion as we shape the future of aging in place.
AccentCare, Inc.NewRN Team Director, Hospice AccentCare, Inc.RN Team Director, HospiceNorwood, MA$105,000–$120,000Collaborate with program site leadership memebrs to monitor, manage, and mentor staff in patient care activities, productivity, and documentation per related policies and protocols. Overview: Clinical Supervisor / RN, HospiceLocation: Norwood, MAPosition: Clinical Supervisor / RN, HospiceRemote/Virtual Position: No Coverage Area: Norwood, MA office location .
AccentCare, Inc.NewRegistered Nurse / Patient Care Manager, Home Health AccentCare, Inc.Registered Nurse / Patient Care Manager, Home HealthNorwood, MA$90,000–$100,000What You Need to Know: The Patient Care Manager plays a critical role in supporting both patients and the caregiving team, ensuring that every person receives compassionate, high‑quality home health services. By guiding and empowering clinical staff, the Patient Care Manager helps create a supportive environment where employees can grow, collaborate, and deliver their very best work, ultimately enriching the care experience for every patient.
AccentCare, Inc.NewRegistered Nurse / RN, Hospice Inpatient AccentCare, Inc.Registered Nurse / RN, Hospice InpatientMilton, MA$52–$55As an Inpatient Hospice Registered Nurse (RN), you’ll be an essential part of an interdisciplinary hospice team—providing expert clinical care, emotional support, and calm guidance to patients and families during life’s most delicate moments. You may find success in this role if you’ve worked as a Hospice RN, Inpatient RN, Palliative Care Nurse, Med‑Surg RN, Oncology Nurse, Geriatric Nurse, or Patient Care Nurse in an inpatient or acute care setting.
IconmaNewRN - Nursing Supervisor IconmaRN - Nursing SupervisorBrighton, MA$57.10–$61.49 / hourDemonstrates responsibility for human resource management within the Nursing Division and the Hospital to achieve high-quality patient care as well as a work environment that promotes harmonious employee relations. Promotes a positive image of the Nursing Division and Client HS through effective interaction with patients, visitors, physicians, community, and the public.
Yale New Haven HealthNewRegistered Nurse (RN)- Medical Nursing Unit Yale New Haven HealthRegistered Nurse (RN)- Medical Nursing UnitEast Providence, RIDemonstrates Competency In The Care Of The Neuro Patient # Demonstrates Skill And Knowledge In Neuro Assessment # Demonstrates Skill And Knowledge In The Airway Management Of The Neuro Patient # Demonstrates Skill And Understanding In Assisting The Physician And Caring For The Patient During Special Neuro Procedures # Performs Pharynaeal, Endotracheal, Tracheostomy Suctioning According To Established Policy And Procedure: Demonstrates Skill And Understanding In The Use Of Equipment And Care Of Patient In A Halo Brace # Demonstrates Skill And Understanding Of Nursing Responsibilities And Interventions For The Patient On A Ventilator Graduate Of An Accredited School Of Nursing; Proficient In Use Of Computer Software To Include Electronic Patient Records. This specialized department caters to both medical oncology patients, who receive systemic therapies like chemotherapy, immunotherapy, and targeted therapies, and surgical oncology patients, who are in various stages of their surgical journey, including pre-operative evaluation, post-operative care, and follow-up.
TalentBurst, Inc.Registered Nurse - Operating Room - Open Heart cvor - Contract TalentBurst, Inc.Registered Nurse - Operating Room - Open Heart cvor - ContractBoston, MA$40–$42 / hourALL RTO REQUESTS MUST BE PRESENTED AT TIME OF SUB Travelers who have worked for Beth Israel Lahey Health as perm or per diem within the last six months will not be accepted - MUST be separated from facility for six months to be considered. Looking for RNs to circ and preferably scrubs either cardiac, vascular, ENDOVASCULAR, thoracic (robot).
Yale New Haven HealthNewRegistered Nurse (RN) – HVC Heart Failure Nurse Yale New Haven HealthRegistered Nurse (RN) – HVC Heart Failure NurseCambridge, MANursing staff are trained in advanced heart failure management, including short- and long-term mechanical circulatory support (with devices such as intra-aortic balloon pumps, Impella catheters, and LVADs) and evaluation for advanced therapies and transplantation. The Cardiac ICU is a fast paced, high acuity, 14-bed, critical care unit that cares for adult patients with complex cardiac, medical diagnoses such as myocardial infarction, cardiogenic shock, unstable arrhythmias, and heart failure.
Incredible HealthRegistered Nurse - Behavioral Health Incredible HealthRegistered Nurse - Behavioral HealthWest Medford, MA$61,470–$151,310Nurses with experience in any of the following areas are strongly encouraged to apply: Behavioral health, Counseling, Intake, Medication side effects, PTSD, Psychosomatic Medication Interactions, Suicide and self harm risk assessment, or Therapeutic nurse/patient relationship. Collaborate with other healthcare professionals to ensure a holistic and integrated approach to patient care, including discharge planning and aftercare support.
Incredible HealthRegistered Nurse - Geriatric Behavioral Health Incredible HealthRegistered Nurse - Geriatric Behavioral HealthBillerica, MA$61,470–$151,310Nurses with experience in any of the following areas are strongly encouraged to apply: Behavioral health, Counseling, Intake, Medication side effects, PTSD, Psychosomatic Medication Interactions, Suicide and self harm risk assessment, or Therapeutic nurse/patient relationship. Hospitals on Incredible Health are actively hiring and accepting applications in the Haverhill, MA area for the following position: Registered Nurse - Geriatric Behavioral Health.
Yale New Haven HealthNewRegistered Nurse Critical Care (ICU) – Float Pool Yale New Haven HealthRegistered Nurse Critical Care (ICU) – Float PoolProvidence, RINursing staff are trained in advanced heart failure management, including short- and long-term mechanical circulatory support (with devices such as intra-aortic balloon pumps, Impella catheters, and LVADs) and evaluation for advanced therapies and transplantation. The Cardiac ICU is a fast paced, high acuity, 14-bed, critical care unit that cares for adult patients with complex cardiac, medical diagnoses such as myocardial infarction, cardiogenic shock, unstable arrhythmias, and heart failure.
Yale New Haven HealthNewRegistered Nurse Float – Critical Care Yale New Haven HealthRegistered Nurse Float – Critical CareNewton, MANursing staff are trained in advanced heart failure management, including short- and long-term mechanical circulatory support (with devices such as intra-aortic balloon pumps, Impella catheters, and LVADs) and evaluation for advanced therapies and transplantation. The Cardiac ICU is a fast paced, high acuity, 14-bed, critical care unit that cares for adult patients with complex cardiac, medical diagnoses such as myocardial infarction, cardiogenic shock, unstable arrhythmias, and heart failure.
TalentBurst, Inc.Registered Nurse - Medical - Surgical (Telemetry) - Contract TalentBurst, Inc.Registered Nurse - Medical - Surgical (Telemetry) - ContractPlymouth, MA$35–$41 / hour85% is the passing score, there is NO opportunity for remediation or re-sit, so we suggest RN's prepare for the test, leveraging the Study Guide provided by the client that include tips and answers WILL BE EXPECTED TO FLOAT TO LIKE UNITS AND TO OVERFLOW AREAS License Registered Nurse required MINIMUM REQUIREMENTS: at least 2 years of Med Surg Telemetry experience and able to pass Telemetry Competency Exam. FLU required during compliance - 12H Night shift, weekends and holidays expected **PASS/FAIL ECG/TELE TEST AND MEDICATIONS TEST DURING ONBOARDING - ONE ATTEMPT ONLY TO PASS ** Dysrhythmia and Medication tests are now administered by CCH via Zoom Protector meeting PRIOR to assignment.
Incredible HealthRegistered Nurse - Telemetry Incredible HealthRegistered Nurse - TelemetryWest Medford, MA$61,470–$151,310Nurses with experience in any of the following areas are strongly encouraged to apply: COVID, Cardiac drips, Cardiac monitor, Cardioversion, Defibrillation, Device experience, EKG monitoring, High acuity patients, Post cardiac intervention, or Sheath pulls. Hospitals on Incredible Health are actively hiring and accepting applications in the Lawrence, MA area for the following position: Registered Nurse - Telemetry.
Incredible HealthRegistered Nurse - Med Surg Incredible HealthRegistered Nurse - Med SurgWestford, MA$61,470–$151,310Hospitals on Incredible Health are actively hiring and accepting applications in the Lawrence, MA area for the following position: Registered Nurse - Med Surg. Collaborate with interdisciplinary healthcare teams to ensure high-quality patient care and to facilitate discharge planning.
Yale New Haven HealthNewRegistered Nurse - Immediate Hiring Yale New Haven HealthRegistered Nurse - Immediate HiringNewton, MANursing staff are trained in advanced heart failure management, including short- and long-term mechanical circulatory support (with devices such as intra-aortic balloon pumps, Impella catheters, and LVADs) and evaluation for advanced therapies and transplantation. The Cardiac ICU is a fast paced, high acuity, 14-bed, critical care unit that cares for adult patients with complex cardiac, medical diagnoses such as myocardial infarction, cardiogenic shock, unstable arrhythmias, and heart failure.
Yale New Haven HealthNewRegistered Nurse - Great Pay! Yale New Haven HealthRegistered Nurse - Great Pay!Boston, MANursing staff are trained in advanced heart failure management, including short- and long-term mechanical circulatory support (with devices such as intra-aortic balloon pumps, Impella catheters, and LVADs) and evaluation for advanced therapies and transplantation. The Cardiac ICU is a fast paced, high acuity, 14-bed, critical care unit that cares for adult patients with complex cardiac, medical diagnoses such as myocardial infarction, cardiogenic shock, unstable arrhythmias, and heart failure.
Yale New Haven HealthNewRegistered Nurse - ICU Yale New Haven HealthRegistered Nurse - ICUNewton, MANursing staff are trained in advanced heart failure management, including short- and long-term mechanical circulatory support (with devices such as intra-aortic balloon pumps, Impella catheters, and LVADs) and evaluation for advanced therapies and transplantation. The Cardiac ICU is a fast paced, high acuity, 14-bed, critical care unit that cares for adult patients with complex cardiac, medical diagnoses such as myocardial infarction, cardiogenic shock, unstable arrhythmias, and heart failure.
Yale New Haven HealthNewRegistered Nurse – Advanced / Specialized Heart Failure Yale New Haven HealthRegistered Nurse – Advanced / Specialized Heart FailureQuincy, MANursing staff are trained in advanced heart failure management, including short- and long-term mechanical circulatory support (with devices such as intra-aortic balloon pumps, Impella catheters, and LVADs) and evaluation for advanced therapies and transplantation. The Cardiac ICU is a fast paced, high acuity, 14-bed, critical care unit that cares for adult patients with complex cardiac, medical diagnoses such as myocardial infarction, cardiogenic shock, unstable arrhythmias, and heart failure.
Yale New Haven HealthNewRegistered Nurse – Cardiology / Cardiac Rehab / Heart Failure Yale New Haven HealthRegistered Nurse – Cardiology / Cardiac Rehab / Heart FailureSouth Boston, MANursing staff are trained in advanced heart failure management, including short- and long-term mechanical circulatory support (with devices such as intra-aortic balloon pumps, Impella catheters, and LVADs) and evaluation for advanced therapies and transplantation. The Cardiac ICU is a fast paced, high acuity, 14-bed, critical care unit that cares for adult patients with complex cardiac, medical diagnoses such as myocardial infarction, cardiogenic shock, unstable arrhythmias, and heart failure.
Yale New Haven HealthNewRegistered Nurse - Urgent Hiring Yale New Haven HealthRegistered Nurse - Urgent HiringBoston, MANursing staff are trained in advanced heart failure management, including short- and long-term mechanical circulatory support (with devices such as intra-aortic balloon pumps, Impella catheters, and LVADs) and evaluation for advanced therapies and transplantation. The Cardiac ICU is a fast paced, high acuity, 14-bed, critical care unit that cares for adult patients with complex cardiac, medical diagnoses such as myocardial infarction, cardiogenic shock, unstable arrhythmias, and heart failure.
Yale New Haven HealthNewRegistered Nurse – Heart Failure Coordinator Yale New Haven HealthRegistered Nurse – Heart Failure CoordinatorCambridge, MANursing staff are trained in advanced heart failure management, including short- and long-term mechanical circulatory support (with devices such as intra-aortic balloon pumps, Impella catheters, and LVADs) and evaluation for advanced therapies and transplantation. The Cardiac ICU is a fast paced, high acuity, 14-bed, critical care unit that cares for adult patients with complex cardiac, medical diagnoses such as myocardial infarction, cardiogenic shock, unstable arrhythmias, and heart failure.
Yale New Haven HealthNewRegistered Nurse - YNHH Yale New Haven HealthRegistered Nurse - YNHHSouth Boston, MANursing staff are trained in advanced heart failure management, including short- and long-term mechanical circulatory support (with devices such as intra-aortic balloon pumps, Impella catheters, and LVADs) and evaluation for advanced therapies and transplantation. The Cardiac ICU is a fast paced, high acuity, 14-bed, critical care unit that cares for adult patients with complex cardiac, medical diagnoses such as myocardial infarction, cardiogenic shock, unstable arrhythmias, and heart failure.
Yale New Haven HealthNewRegistered Nurse (RN), Float Critical Care / ICU Yale New Haven HealthRegistered Nurse (RN), Float Critical Care / ICUProvidence, RINursing staff are trained in advanced heart failure management, including short- and long-term mechanical circulatory support (with devices such as intra-aortic balloon pumps, Impella catheters, and LVADs) and evaluation for advanced therapies and transplantation. The Cardiac ICU is a fast paced, high acuity, 14-bed, critical care unit that cares for adult patients with complex cardiac, medical diagnoses such as myocardial infarction, cardiogenic shock, unstable arrhythmias, and heart failure.
Yale New Haven HealthNewRegistered Nurse – ICU Float Unit Yale New Haven HealthRegistered Nurse – ICU Float UnitProvidence, RINursing staff are trained in advanced heart failure management, including short- and long-term mechanical circulatory support (with devices such as intra-aortic balloon pumps, Impella catheters, and LVADs) and evaluation for advanced therapies and transplantation. The Cardiac ICU is a fast paced, high acuity, 14-bed, critical care unit that cares for adult patients with complex cardiac, medical diagnoses such as myocardial infarction, cardiogenic shock, unstable arrhythmias, and heart failure.
Boston Children's HospitalNewRegistered Nurse - Waltham Operating Room ($18,000 sign-on) Boston Children's HospitalRegistered Nurse - Waltham Operating Room ($18,000 sign-on)Waltham, MA$76,003.20–$163,678.32Engage in quality improvement activities, communicate any safety concerns, and utilize information technology for effective communication, clinical decision-making, and care coordination. Serve as the liaison between patients, families, and the operating team, collaborating with interdisciplinary team members to implement and evaluate care plans.
Boston Children's HospitalRegistered Nurse, Main Operating Room ($20,000 sign-on) Boston Children's HospitalRegistered Nurse, Main Operating Room ($20,000 sign-on)Boston, MA$84,448–$181,864.80Any base pay offer provided depends on skills, experience, education, certifications, and a variety of other job-related factors. *$20,000 sign-on for RNs with over 2 years of OR experience who have not worked at BCH in 2+ years*.
Incredible HealthRegistered Nurse - Med Surg / Telemetry Incredible HealthRegistered Nurse - Med Surg / TelemetryMiddleton, MA$61,470–$151,310Hospitals on Incredible Health are actively hiring and accepting applications in the Methuen, MA area for the following position: Registered Nurse - Med Surg / Telemetry. Employer features: Best Places to Work recognition, Community hospital, Cross training, Level 3 trauma center, Tuition Assistance .
Incredible HealthRegistered Nurse - Med Surg Float Pool Incredible HealthRegistered Nurse - Med Surg Float PoolMalden, MA$61,470–$151,310Hospitals on Incredible Health are actively hiring and accepting applications in the Lawrence, MA area for the following position: Registered Nurse - Med Surg Float Pool. Employer features: Best Places to Work recognition, Community hospital, Cross training, Level 3 trauma center, Tuition Assistance .
South Shore HealthNewRegistered Nurse Full Time Home Care VNA South Shore HealthRegistered Nurse Full Time Home Care VNAAbington, MASee South Shore Health Privacy Policy at https://www.southshorehealth.org/website-privacy-policy and SonicJobs Privacy Policy at https://www.sonicjobs.com/us/privacy-policy and Terms of Use at https://www.sonicjobs.com/us/terms-conditions. For each visit, demonstrates the skills and judgment necessary to implement the plan of care, nursing interventions, and procedures necessary for the skilled care of the patient, as evidenced by chart review and observation.
Fresenius Medical CareNewAcute Inpatient Registered Nurse - RN Fresenius Medical CareAcute Inpatient Registered Nurse - RNBeverly, MA$39–$59 / hourPerforms ongoing, systematic collection and analysis of patient data pre – during – post treatment for assigned patients and documents in the patient medical record, makes adjustments and modifications to treatment plan as indicated and notifies Supervisor, Physician, patient’s primary nurse and others as may be indicated. SUPERVISION: Assigned oversight of Patient Care Technicians/LVN/LPNs/RNs as a designated Nurse in Charge, after meeting all the following: · Successful completion of all FKC education and modality specific training requirements for new employees.
Boston Children's HospitalNewRegistered Nurse - Needham Operating Room Boston Children's HospitalRegistered Nurse - Needham Operating RoomNeedham, MA$84,448–$181,864.80Sign-on bonus of $20,000 for full-time, 40 hour per week hires with over 2 years of direct OR experience as a Registered Nurse (who have not worked here in the past 2 years). Any base pay offer provided depends on skills, experience, education, certifications, and a variety of other job-related factors.
Monte Nido & Affiliates, LLCNewRegistered Nurse - FT Monte Nido & Affiliates, LLCRegistered Nurse - FTDedham, MA$39.90–$58.80Responsibilities Include: Assume full and ultimate responsibility for the quality of nursing care provided to patients, including maintaining optimal patient health, teaching, counseling, collaborative planning and restoration of optimal function. The Registered Nurse provides direct patient care under the supervision of the AVP of Nursing, Nurse Manager, Nursing Supervisor, or designee.
connectRNNewPer Diem Registered Nurse (RN) - Flexible Schedule connectRNPer Diem Registered Nurse (RN) - Flexible ScheduleBoxford, MA$51–$81Registered Nurse, Licensed Practical Nurse, Certified Nursing Assistant_, RN License, LPN Certification, BLS/CPR Certified_, Hospital, Long-Term Care Facility, Home Health Care_, Side hustle, flexible hours, per diem_, Competitive Pay, Same-day pay, Seasonal job, Seasonal earnings. By leveraging our app that was built by a nurse for nurses, connectRN connects the nursing community to flexible work opportunities and each other to build a supportive and thriving network.
Incredible HealthRN - Critical Care Incredible HealthRN - Critical CareMiddleton, MA$61,470–$151,310Nurses with experience in any of the following areas are strongly encouraged to apply: Arrhythmia management, Bariatric, CODE, COVID, CRRT training, CVICU, Care of burn patients, Chest tube, ECMO, External pacemaker, High acuity, Intra aortic balloon pump, MICU, Neuro ICU, Post MI thermo care , Post cardiac surgery care, Post neuro surgery, RRT, SICU, TPA admin, Transplant, or Vascular intervention. Employer features: Best Places to Work recognition, Community hospital, Community hospital, Cross training, Cross training, EAP, FSA, Level 1 trauma center, Level 3 trauma center, Magnet recognized, PTO, Tuition Assistance, Tuition Assistance, Union facility .
Monte Nido & Affiliates, LLCNewRegistered Nurse - PT Monte Nido & Affiliates, LLCRegistered Nurse - PTDedham, MA$39.90–$58.80Responsibilities Include: Assume full and ultimate responsibility for the quality of nursing care provided to patients, including maintaining optimal patient health, teaching, counseling, collaborative planning and restoration of optimal function. The Registered Nurse provides direct patient care under the supervision of the AVP of Nursing, Nurse Manager, Nursing Supervisor, or designee.
Tufts Medicine Care at HomeNewRegistered Nurse, RN- Home Health, Lowell MA Tufts Medicine Care at HomeRegistered Nurse, RN- Home Health, Lowell MALowell, MA$84,300.22–$107,481.20As a key member of the health care team, this position must interact courteously and effectively with patients and their families as well as with co-workers from all Agency departments, community resources, and with patients' physicians in order to facilitate safe and efficient patient care while maintaining their own safety in the home and the community at large. Responsibilities include conducting comprehensive assessments, developing and implementing individualized care plans, administering treatments, educating patients and families, and collaborating with interdisciplinary teams to ensure optimal outcomes.
Yale New Haven HealthNewRegistered Nurse (RN) - HVC Heart Failure Nurse Yale New Haven HealthRegistered Nurse (RN) - HVC Heart Failure NurseEast Providence, RINursing staff are trained in advanced heart failure management, including short- and long-term mechanical circulatory support (with devices such as intra-aortic balloon pumps, Impella catheters, and LVADs) and evaluation for advanced therapies and transplantation. The Cardiac ICU is a fast paced, high acuity, 14-bed, critical care unit that cares for adult patients with complex cardiac, medical diagnoses such as myocardial infarction, cardiogenic shock, unstable arrhythmias, and heart failure.
Backus HospitalNewRN Emergency Department (Plainfield) Backus HospitalRN Emergency Department (Plainfield)Chepachet, RIAbility to obtain and maintain Advanced Cardiac Life Support (ACLS), Trauma Nurse Core Course (TNCC), Pediatric Advanced Life Support (PALS), and Non-Violent Crisis Intervention (CPI) certifications within 90 days of hire. The staff includes Registered Nurses, emergency department technicians, Unit Secretaries, Physicians, Mid-Level practitioners, support staff, Public Safety Officers, and in-department radiology.
Yale New Haven HealthNewRN - Vascular Surgery ICU / Vascular ICU Yale New Haven HealthRN - Vascular Surgery ICU / Vascular ICUBoston, MANursing staff are trained in advanced heart failure management, including short- and long-term mechanical circulatory support (with devices such as intra-aortic balloon pumps, Impella catheters, and LVADs) and evaluation for advanced therapies and transplantation. The Cardiac ICU is a fast paced, high acuity, 14-bed, critical care unit that cares for adult patients with complex cardiac, medical diagnoses such as myocardial infarction, cardiogenic shock, unstable arrhythmias, and heart failure.
Yale New Haven HealthNewRN Float Pool – Critical Care Yale New Haven HealthRN Float Pool – Critical CareCambridge, MANursing staff are trained in advanced heart failure management, including short- and long-term mechanical circulatory support (with devices such as intra-aortic balloon pumps, Impella catheters, and LVADs) and evaluation for advanced therapies and transplantation. The Cardiac ICU is a fast paced, high acuity, 14-bed, critical care unit that cares for adult patients with complex cardiac, medical diagnoses such as myocardial infarction, cardiogenic shock, unstable arrhythmias, and heart failure.