Services and procedures include coronary angiography, angioplasty and stent placements, pacemaker insertions and replacements, implantable cardiac defibrillators and cardiac resynchronization therapy, echocardiography, nuclear medicine imaging, holter and event monitors (heart monitors), cardiac stress testing, intravascular ultrasound, cardiac MRI, and 64-slice cardiac CT angiography. Communication - Effective written and oral communication skills to explain complex issues, exchange information between team members, and tactfully discuss issues.