Ventricular fibrillation is a cause of cardiac arrest. Less common are cardiac problems including cardiomyopathy and cardiac arrhythmia disorders. The mechanism responsible for the majority of sudden cardiac deaths is ventricular fibrillation. Statins have been studied for improving operative outcomes in cardiac and vascular surgery. Hypertension can increase the risk of cerebral, cardiac, and renal events. Pacemaker insertion may be required for individuals with cardiac conduction abnormalities. Procainamide is a medication of the antiarrhythmic class used for the treatment of cardiac arrhythmias. CPR is an algorithm-based intervention aimed to restore cardiac and pulmonary function. Congestive heart failure affects 25-75% of persons with cardiac sarcoidosis. Such presentations are associated with a higher risk of cardiac artery aneurysms. The coroner declared she died from cardiac arrhythmia. There may be increased mortality associated with cardiac surgery. MRI is one modality for diagnosis cardiac sarcoidosis. They induced major side effects such as fibrosis of cardiac valves. It found usefulness of cangrelor in patients getting cardiac stents.