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Kaplan Qbank USMLE



Author8 Posts
  #1

EXPLAIN IT ,PLEASE

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  #2

may be m?????????????

  #3

how can l do the diferent betwin ventricular tachycardia vs paroxysmal supraventricular tachycardia

  #4

I think it's SVT......SVT is HR > 140 i think

  #5

F
V tach usually is predisposed by ischemia

  #6

thankssmiling face

  #7

F - SVT

___________________
Nothing is impossible.

  #8

1st see that pulse is regular...it rules out all supraventricular causes
2nd see that iv medication corrects sinus rhythm..it means that all sinus causes are ruled out..
left are A,B,H,L,M options that suggest ventricular causes...it cant be v fib as vitals are relatively stable..95/60 bp..increase pulse wid decrease bp shows that sympathetic n other reflexes are working hence it shoud be idiopathic junctional tachycardia.also shortness of breath is called angina equivalent with cardiac symptoms...it shows ventricles are beating with such a rate that diastolic time is reduced hence no perfusion

i think i am werong.,if anybody wid much better explanation.,plz correct me







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