Required skills include arterial line management, central line care, ventilator management, vasoactive medication titration, cardiac rhythm interpretation, blood product administration, renal replacement therapy, post-cardiac surgery care, and pulmonary artery catheter monitoring. Common diagnoses include cardiogenic shock, cardiac arrest, heart failure, cardiac arrhythmias, myocardial infarction, pulmonary hypertension, advanced therapy evaluations, hypertrophic cardiomyopathy, and hypertensive urgency or emergency.