ENA Cardiovascular Emergencies Part II

ENA Cardiovascular Emergencies Part II The right coronary artery supplies which area of the heart? ANSWER- Posterior surface of the left ventricle After a patient with a myocardial infarction receives a fibrinolytic agent, which finding is a marker of reperfusion? ANSWER- Accelerated idioventricular rhythm Which drug is used to manage a patient with a dissecting aneurysm? ANSWER- Esmolol (Brevibloc) Atropine is most likely to restore adequate perfusion in which situation? ANSWER- Cholinergic-induced bradycardia In addition to cardiopulmonary resuscitation, dosium bicarbonate is the treatment for cardiac arrest caused by which disorder? ANSWER- Tricyclic antidepressant overdose A patient presents with a headache, blurred vision, and a blood pressure of 280/ 150 mmHg. Which drug is the most effective in rapidly managing this patient's disorder? ANSWER- Nitroprusside (Nitropress) Which rhythm is a common cause of sudden cardiac arrest? ANSWER- Ventricular tachycardia When determining the severity of a patient's heart failure, which laboratory test provides the most information? ANSWER- Serum B-type natriuretic peptide (BNP) level Second-degree heart block, type I, is likely to occur with which type of myocardial infarction? ANSWER- Inferior Drugs from which category reduce preload and afterload? ANSWER- Vasodilators For a cardiac arrest in the emergency department, what is the priority treatment for ventricular fibrillation? ANSWER- Cardiac compressions When administered to a patient with cardiac arrest, intravenous epinephrine (Adrenalin) causes which action? ANSWER- It stimulates alpha-adrenergic effects When performing right-sided electrocardiography, which lead should you place at the fifth intercostal space in the right midaxillary line? ANSWER- RV6