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Cardiology

Cardiology Med Emergencies

QuestionAnswer
What is a DeBakey tear and what are the different types, 1,2,3? 1 (B) both ascending and descending 2 (A) ascending 3(D) descending
elevation in what leads are indicative of inferior MI if STE is >=1mm? II, III, aVF
elevation in what leads are indicative of lateral wall MI if STE >=1mm? I, aVL, V5, V6
elevation in what leads are indicative of septal/anterior wall MI? leads v1(>=1mm) and v2(>2mm men>40, >2.5mm men<40, >1.5 women)
elevation in what leads are indicative of anterior wall MI> V1, V2, V3, V4; V2 and 3 (>2mm men>40, >2.5mm men<40, >1.5 women)
what does elevation in aVR indicate? LMCA 3 vessel disease >=1mm
how wide does the QRS need to be to be considered a BBB? adults vs pediatric adults: >0.12 pediatrics: >0.08
sgarbossa criteria 1, 2, 3 1: concordant elevation >1mm in any lead 2: concordant depression >1mm in V1,2,3 3: excessive discordant elevation >1mm any lead with ST/QRS ratio >0.25
what degrees is a normal axis? what direction are the QRS' in leads I - III? 0 - 90,:up, up, up
What degrees is a physiological left axis? what direction are the QRS in leads I, II, III? 0 - (-30): up, up, down
what degrees is a pathological left axis? what direction are the QRS in lead I- III? what also is it indicative up with hemiblocks? (-30) - (-90): up, down, down; anterior hemiblock
what degrees is a right axis deviation? direction of QRS? hemiblock? 90- 180: down, up or down, up; posterior hemiblock
what degrees is an extreme right axis deviation? QRS direction? origin? >180: down, down, down; ventricular in origin
why is a posterior hemiblock considered greater danger? fed by 2 coronary arteries
LVH can be a STEMI imitator what measurement do you use? sokolowyn index: tallest R wave in V5 or V6 + S wave in V1 => 35mm or R in aVL >11mm
Created by: Lindsey.George
 

 



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