1.  ECG findings of tall hyperacute T waves, wide QRS complexes, flattened P waves and a prolonged PR interval are most consistent with the presence of:

(a) Hyperkalemia
(b) Hypokalemia.
(c) Hypercalcemia
(d) Hypocalcemia

2.   The presence on ECG of sagging ST segments, short QT intervals and flattened or inverted T waves is most accurately described as:

(a) Digitalis effect
(b) Hypercalcemia
(c) Signs of digitalis toxicity
(d) Hypokalemia

3.   The most common cause of failure to pace is:

(a) Battery depletion
(b) Oversensing
(c) Wire fracture
(d) Undersensing

4.  ST segment elevation in leads I, aVL and V1-V6 with reciprocal ST depression in leads II, III and aVF is characteristic of:

(a) An acute inferior wall MI
(b) An acute posterior wall MI
(c) Myocarditis
(d) An acute anterior wall MI

5.  What is the most effective medical therapy for the treatment of angina pectoris associated with hypertrophic cardiomyopathy?

(a) Nitroglycerin
(b) Digitalis
(c) Beta blockers
(d) Morphine

 

Answers from Cardiovascular Emergencies

1.  A
2.  A
3.  B
4.  D
5.  C