React promptly to cardiac emergencies, including arrhythmias, cardiac arrests, or respiratory distress, necessitating immediate implementation of emergency procedures, administration of cardiopulmonary resuscitation (CPR), and aiding in defibrillation and other crucial life-saving measures . monitor patients' cardiac status, vital signs, and telemetry data to detect any changes or abnormalities, which is crucial for patients recovering from cardiac procedures, heart attacks, or other cardiac conditions .