Myocardial infarction

Question 1

CK-MB is a cardiac biomarker that is useful for detecting __ following acute MI

Answer 1

reinfarction

Question 2

Atypical symptoms associated with MI are more common in:

Answer 2

women, the elderly, and people with diabetes

Question 3

What is the likely diagnosis in a post-MI patient that presents a few weeks later with chest pain that improves while leaning forward and diffuse ST elevation on ECG?

Answer 3

Dressler syndrome

Question 4

Papillary muscle rupture will present with findings of ___ heart failure
Interventricular septum rupture will present with findings of ___heart failure

Answer 4

left
left and right

Question 5

One complication that may occur ____days post-MI is papillary muscle rupture, which often causes____

Answer 5

2 - 7
mitral regurgitation

Question 6

Myocardial infarction most commonly involves which artery?

Answer 6

Left anterior descending (LAD) artery (45%)

Question 7

What leads show ST elevations or Q waves in an anteroseptal myocardial infarction?

What leads show ST elevations or Q waves in an anteroapical myocardial infarction?

What leads show ST elevations or Q waves in an anterolateral myocardial infarction?

Answer 7

V1 - V2
V3 - V4
V5 - V6

Question 8

What leads show ST elevations or Q waves in a lateral myocardial infarction?

Answer 8

I, aVL

Question 9

The two high intensity statins are:

Answer 9

atorvastatin and rosuvastatin

Question 10

Percutaneous coronary intervention (PCI) is recommended for patients with acute STEMI within __ hours of symptom onset and within __ minutes from first medical contact to device time at a PCI-capable service

Answer 10

12
90

Question 11

What is the most common cause of sudden cardiac death within 2 days of acute MI?

Answer 11

Ventricular fibrillation

Question 12

What is the likely diagnosis in a patient with ST elevations in leads II, III, and aVF with JVD, hypotension and clear lungs on auscultation?

Answer 12

Right ventricular MI

Question 13

ST-segment elevations on ECG in leads _____ are consistent with a left anterior descending artery myocardial infarction (MI).

Answer 13

I, aVL, and V1–V6

Question 14

What is the initial management for hypotension in a patient with a right ventricular MI that has low-normal JVP?

Answer 14

IV saline bolus

Question 15

What is the likely diagnosis in a patient on post-MI day 5 that presents with sudden-onset cardiogenic shock and a harsh holosystolic murmur at the left sternal border with a palpable thrill?

Answer 15

Interventricular septum rupture