What infusion duration of MAGNESIUM SULFATE is used for torsades de pointes according to the protocol?

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Multiple Choice

What infusion duration of MAGNESIUM SULFATE is used for torsades de pointes according to the protocol?

Explanation:
Magnesium sulfate is used in torsades de pointes to stabilize cardiac membranes and help terminate the arrhythmia by rapidly increasing the magnesium level, which counteracts the abnormal repolarization that drives the rhythm. The protocol specifies delivering the infusion over ten minutes. This timeframe provides a quick, controlled delivery so magnesium reaches therapeutic levels promptly without the risks of a very rapid bolus or a much longer infusion. After the ten-minute infusion, the rhythm and patient condition are reassessed, and additional dosing is guided by the protocol if torsades persists.

Magnesium sulfate is used in torsades de pointes to stabilize cardiac membranes and help terminate the arrhythmia by rapidly increasing the magnesium level, which counteracts the abnormal repolarization that drives the rhythm. The protocol specifies delivering the infusion over ten minutes. This timeframe provides a quick, controlled delivery so magnesium reaches therapeutic levels promptly without the risks of a very rapid bolus or a much longer infusion. After the ten-minute infusion, the rhythm and patient condition are reassessed, and additional dosing is guided by the protocol if torsades persists.

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