why is nausea/vomiting and diaphoresis associated with M.I.?

[MedicinePowder]

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anyone with chest pain gets asked: any n/v, diaphoresis etc etc. what's the pathophys behind developing n/v and diaphoresis in m.i.?

 

[spyderdoc]

My guess would be vagal nerve stimulation....

 

[southerndoc]

My guess would be vagal nerve stimulation....

I think you're onto something.

 

[deleted87716]

I think you're onto something.

Traditionally, nausea and vomiting were thought to be related to inferior-wall MIs. However, some studies have suggested that these symptoms are related to infarct size, not location.

Diaphoresis is caused by activation of the sympathetic nervous system from reduced cardiac output and neurohumoral compensatory mechanisms (baroreceptors, RAAS, etc.)

 

[leviathan]

My guess would be vagal nerve stimulation....

I'll take human physiology for 500, Alex.

 

[mikecwru]

anyone with chest pain gets asked: any n/v, diaphoresis etc etc. what's the pathophys behind developing n/v and diaphoresis in m.i.?

I agree with everything said before. You can get sweaty from vagal stimulation. You can also get sweaty from sympathetic stimulation. So it need not be an inferior MI.

mike