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Home | CCC | Myocardial Stunning

Myocardial Stunning

by Dr Chris Nickson, last update March 24, 2019

OVERVIEW

  • Myocardial Stunning = temporary cardiac muscle dysfunction secondary to an insult (ischaemia, hypoxia, very high afterload)
  • can be focal or global

CAUSES

  • post-reperfusion of a blocked coronary artery
  • post-cardiac surgery
  • post-cocaine OD
  • post-cardiac arrest
  • post-cardioversion
  • in association with phaeochromocytoma

CLINICAL FEATURES

  • low output state
  • CCF

MANAGEMENT

  • treat cause
  • optimize coronary blood flow
  • rest heart (decrease O2 consumption and allow muscle recovery)
  • treat arrhythmias
  • restore blood pressure
  • fluid
  • inotropes/vasoactives
  • IABP
  • VADs
CCC 700 6

Critical Care

Compendium

…more CCC

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About Dr Chris Nickson

An oslerphile emergency physician and intensivist suffering from a bad case of knowledge dipsosis. Key areas of interest include: the ED-ICU interface, toxicology, simulation and the free open-access meducation (FOAM) revolution. @Twitter | INTENSIVE| SMACC

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