MI

Question 1

What are the symptoms of an MI?

Answer 1

Severe crushing central chest pain
Radiating to jaw and arms, especially the left
Similar to angina but more severe, prolonged and not relieved by GTN
Associated with sweating nausea and often vomiting

Question 2

What ECG changes occur in a STEMI?

Answer 2

ST elevation
T wave inversion
Q waves

Question 3

What leads show ST elevation in an inferior MI?

Answer 3

II, III, AVF

Question 4

What leads show ST elevation in an anterior MI?

Answer 4

V1-6

Question 5

What leads show ST elevation in an anterolateral MI?

Answer 5

I, AvL, V1-V6

Question 6

What leads show ST elevation in an anteroseptal MI?

Answer 6

V1-V4

Question 7

What enzyme is a marker for an MI?

Answer 7

creatinine kinase

Question 8

What protein is a marker for an MI?

Answer 8

troponin T

Question 9

When should a patient be thrombolysed?

Answer 9

If PCI not available within 90 minutes.

Question 10

When should reperfusion be carried out (PCI or thrombolysis)?

Answer 10

More than 20 minutes less than 12 hours.

Question 11

Is VF a complication of an MI?

Answer 11

Yes

Question 12

What structural complications are there of an MI?

Answer 12

Cardiac rupture
Ventricular septal defect
Mitral regurgitation
aneurysm
emboli
Inflammation
Acute pericarditis
Dressler's syndrome

Question 13

What are the functional complications of an MI?

Answer 13

Acute ventricular failure
Chronic cardiac failure
Cardiogenic shock