Q:

A 39 year old man with acute renal failure presents with palpitations. His ECG shows tall tented T waves and wide QRS complex. What is the next best step?

waelhammad
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2022-11-01
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A 39 year old man with acute renal failure presents with palpitations. His ECG shows tall tented T waves and wide QRS complex. What is the next best step? 

  1. Dialysis
  2. IV calcium chloride
  3. IV insulin w/ dextrose
  4. Calcium resonium
  5. Nebulized salbutamol
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waelhammad
2022-11-01
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The key is B. IV calcium chloride. [The ECG changes are suggestive of Hyperkalemia. At potassium level of >5.5mEq/L occurs tall tented T waves and at potassium level >7mEq/L occurs wide QRS complex with bizarre QRS morphology].

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