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Old 08-07-2013
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Heart Right Ventricular Infarct vs AV Block

MTB-2 says the way to differentiate them is that you get tachycardia with RVI whereas with AV Block its bradycardia. Kaplan QID imq896m begs to differ. Of course you can tell with EKG, but if you don't have one and just go by physical signs what would you say a person with a recent MI who develops bradycardia and hypotension has?
Basically my question is - In a case of right ventricular infarct do you get tachycardia or bradycardia?
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Old 08-07-2013
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RVMI, would have, raised JVP (Best hint)
apart from that, Clinically, There may be Sinus Tachycardia- provided it is isolated RV Infarction (Rt-Marginal art block) which spares the Inferior wall, however inferior wall infarction with RVMI (Proximal Rt Coronary Art block) may have sinus brady due to activation of vagal nerve endings-producing reflex sinus brady. So, rate is not a clue

Apart from that- RVMI V4R ST elevation

In blocks you see the rythm characterstics. In RVMI to say it clinically, they will have to say raised JVP and Right sided signs

Hope I made a point.
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Old 08-07-2013
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Gotcha.

Bottom line - Don't depend on rate. Use other signs.

Thank you.
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