CEN Cardiovascular Emergencies

Question 1

A patient presents with crushing chest pain, diaphoresis, and ST elevation in leads II, III, and aVF. Which coronary artery is most likely occluded?

Accepted Answer

Right coronary artery

Answer

Left anterior descending

Answer

Left circumflex artery

Answer

Left main coronary artery

Question 2

Which medication is the first-line treatment for symptomatic bradycardia with hypotension in a stable patient?

Accepted Answer

Atropine

Answer

Epinephrine

Answer

Dopamine

Answer

Amiodarone

Question 3

A patient is in pulseless ventricular tachycardia. After the second defibrillation attempt, which medication should be given?

Accepted Answer

Amiodarone 300 mg IV push

Answer

Lidocaine 1.5 mg/kg

Answer

Magnesium sulfate 2g IV

Answer

Adenosine 6 mg IV

Question 4

A patient with known heart failure presents with severe dyspnea, pink frothy sputum, and an SpO2 of 82%. What is the priority intervention?

Accepted Answer

Apply CPAP or BiPAP

Answer

Administer furosemide 40 mg IV

Answer

Obtain 12-lead ECG

Answer

Insert Foley catheter

Question 5

Which finding on a 12-lead ECG is most consistent with cardiac tamponade?

Accepted Answer

Electrical alternans

Answer

ST elevation in all leads

Answer

Right bundle branch block

Answer

Prolonged QT interval

Question 6

A patient presents with a suspected aortic dissection. Which combination of findings is most classic?

Accepted Answer

Sudden tearing back pain with unequal blood pressures in both arms

Answer

Tearing chest pain radiating to the jaw and left arm

Answer

Gradual onset chest pressure with diaphoresis

Answer

Sharp pleuritic chest pain with a pleural friction rub