Cardiology>>>>>Electrocardiographic Interpretation
Question 31#

THe ECG in the figure below:

is suggestive of:

A. Hypercalcemia
B. Hypocalcemia
C. Digitalis toxicity
D. Hypokalemia
E. Hyperkalemia

Correct Answer is E

Comment:

Hyperkalemia. This shows a sinus rhythm with first-degree AV block, generalized broadening of the QRS (with a right bundle branch block-like pattern), and symmetric broadening of the T wave. This is hyperkalemia. Potassium at the time was 6.2 mEq/L.