A day after a myocardial infarction, a patient has frequent ventricular ectopic beats on the monitor. Which blood results should be checked first?
- AAmylase and lipase
- BFerritin and vitamin B12
- CAlbumin and bilirubin
- DPotassium and magnesium
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- These electrolytes stabilise the heart's electrical activity.
- 誤答を 2 つ消しました。残りの 2 つのうち 1 つが正解です。
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これが答えになる理由
Low potassium and low magnesium both increase ventricular irritability and the risk of VT and VF after an MI. They are checked and corrected, usually keeping potassium in the upper part of the normal range. The patient is also assessed for ischaemia and haemodynamic change.
答え
D · Potassium and magnesium