F+E Highlights: Magnesium Imbalance ECG Changes

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4 Terms

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Magnesium deficit (hypomagnesemia) ECG changes?

PVCs, flat or inverted T waves, depressed ST segment, prolonged PR interval, and widened QRS

2
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Magnesium excess (hypermagnesemia) ECG Changes?

tachycardia → bradycardia, prolonged PR interval and QRS, peaked T waves

3
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Magnesium deficit (hypomagnesemia) S/S?

Neuromuscular irritability, positive Trousseau sign and Chvostek sign, insomnia, mood changes, anorexia, vomiting, increased tendon reflexes, and ↑ BP.

4
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Magnesium excess (hypermagnesemia) S/S?

Flushing, hypotension, muscle weakness, drowsiness, hypoactive reflexes, depressed respirations, cardiac arrest and coma, diaphoresis