Question 97 · LEK · Potassium balance
Which of the following should be suspected if ECG shows the elongation of the PR interval >0.2 s, flat P waves, tall peaked T waves and QRS complexes widened above 0.12 s?
- A. hypocalcemia.
- B. hypercalcemia.
- C. hypokalemia.
- D. hyperkalemia.
- E. hypernatremia.
Hint
Peaked T waves are the earliest clue; follow the progression to flattened P waves and a widening QRS.
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