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9 Cards in this Set
- Front
- Back
What axis finding shows left axis deviation?
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upright QRS in lead I; downward QRS in aVF
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what EKG finding shows right axis deviation?
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downward QRS in lead I and upright QRS in lead aVF
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What is EKG for heart block? (x2)
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PR>200 ms or P with no QRS afterwards
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What is EKG finding of right bundle branch block? (x3)
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QRS>120ms; rSR complex with wide R wave in V1; QRS pattern with wide S wave in V6.
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what are EKG findings in left bundle branch block? (x3)
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QRS>120 ms; wide, entirely negative QS complex in V1; wide tall R wave with no Q wave in V6.
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what are the indications for cardiac pacemaker? (x3)
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i)symptomatic heart block (Mobitz II 2nd degree block and complete heart block (even if asymptomatic)) ii)symptomatic bradyarrhythmias iii)tachyarrhythmias to interrupt rapid rhythm disturbances
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How do you distinguish between LBBB and RBBB?
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WiLLiaM MaRRoW: i)W pattern of QRS in V1-V2 and M pattern of QRS in V3-V6 for LBBB. ii)M pattern of QRS in V1-V2 and W pattern of QRS in V3-V6 in RBBB
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What is EKG finding for 1st degree AV block?
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PR>200ms
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What is 1st degree AV block's etiologies? x3
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i)increased vagal tone ii)B blockers iii)Ca ch blockers. Can occur in normal peeps
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