Diferencia entre revisiones de «Stone heart»
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==Background== | |||
*IV administration of intravenous calcium is thought to be contraindicated in patients with [[Digoxin Toxicity|Digitalis Toxicity]] | *IV administration of intravenous calcium is thought to be contraindicated in patients with [[Digoxin Toxicity|Digitalis Toxicity]] | ||
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*The excess calcium may also predispose to arrhythmias by adversely affecting re-polarization | *The excess calcium may also predispose to arrhythmias by adversely affecting re-polarization | ||
==See Also== | |||
*[[Digitalis Toxicity]] | |||
*[[Electrolyte Abnormalities (Main)| Electrolyte Abnormalities]] | |||
==Sources== | ==Sources== | ||
*Levine M, Nikkanen H, Pallin DJ. The effects of intravenous calcium in patients with digoxin toxicity. J Emerg Med. 2011 Jan;40(1):41-6. | *Levine M, Nikkanen H, Pallin DJ. The effects of intravenous calcium in patients with digoxin toxicity. J Emerg Med. 2011 Jan;40(1):41-6. | ||
Revisión del 14:17 9 abr 2014
Background
- IV administration of intravenous calcium is thought to be contraindicated in patients with Digitalis Toxicity
- In Stone Heart, calcium may theoretically cause an irreversible non-contractile state by impairing diastolic relaxation from calcium-troponin C binding in the presence of Na/K channel blockade by Digoxin
- The excess calcium may also predispose to arrhythmias by adversely affecting re-polarization
See Also
Sources
- Levine M, Nikkanen H, Pallin DJ. The effects of intravenous calcium in patients with digoxin toxicity. J Emerg Med. 2011 Jan;40(1):41-6.