What are the treatment precautions for patients with preexisting heart disease and anaphylaxis?

Updated: May 16, 2018
  • Author: S Shahzad Mustafa, MD; Chief Editor: Michael A Kaliner, MD  more...
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In patients with preexisting heart disease, ischemic myocardial dysfunction may occur due to hypotension and hypoxia. Epinephrine still may be necessary in patients with severe anaphylaxis, but remember the potential for exacerbating ischemia. If pulmonary congestion or evidence of cardiac ischemia is present, fluid resuscitation should be approached more cautiously.

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