Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
9 Cards in this Set
- Front
- Back
|
What axis finding shows left axis deviation?
|
upright QRS in lead I; downward QRS in aVF
|
|
|
what EKG finding shows right axis deviation?
|
downward QRS in lead I and upright QRS in lead aVF
|
|
|
What is EKG for heart block? (x2)
|
PR>200 ms or P with no QRS afterwards
|
|
|
What is EKG finding of right bundle branch block? (x3)
|
QRS>120ms; rSR complex with wide R wave in V1; QRS pattern with wide S wave in V6.
|
|
|
what are EKG findings in left bundle branch block? (x3)
|
QRS>120 ms; wide, entirely negative QS complex in V1; wide tall R wave with no Q wave in V6.
|
|
|
what are the indications for cardiac pacemaker? (x3)
|
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
|
|
|
How do you distinguish between LBBB and RBBB?
|
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
|
|
|
What is EKG finding for 1st degree AV block?
|
PR>200ms
|
|
|
What is 1st degree AV block's etiologies? x3
|
i)increased vagal tone ii)B blockers iii)Ca ch blockers. Can occur in normal peeps
|
