ECG Review Chung Flashcards Preview

Jason's MD2 ED/Amb Rotation > ECG Review Chung > Flashcards

Flashcards in ECG Review Chung Deck (22):
1

How long is normal QRS complex?

0.12 (3 squares)

2

What is the normal range of heart axis?

-30 to +120

3

what does QT corrected mean?

it's corrected to a heart rate of 50

4

how can you tell it's SVT on ECG?

no R-waves
regular
narrow complex tachycardia

5

initial management of SVT?

valsalva by blowing through syringe

6

medication for SVT?

adenosine

7

medication for Ventricular Tachycardia?

amiodarone

8

describe ECG Atrial flutter:

usu. 150 rate, saw tooth pattern

9

how can you tell WPW on ECG?

short PR interval
delta wave (upstroking)

10

2 kinds of WPW

orthodromic (narrow complex tachy)
anti-dromic (wide complex tachy)

11

How long is the normal PR interval?

0.12 (3 squares) to 0.21 (5 squares)

12

what to treat with for WPW anti-dromic?

procainamide

13

3 things you must do for Third degree heart block:

atropine
ionotropes
pacing

14

whats the HR in someone with third degree heart block?

35-40

15

BP equation is?

BP = CO xTPR

16

Cardiac Output equation?

CO = HR x SV

17

what's worse mobitz I or II

II where the PR is constant and get get dropped beats

18

Mobitz II AKA?

Wenckebach phenomenon
gradual prolongation of PR

19

3 kinds of trifascicular block

1st degree + LAD + RBBB
1st degree + RAD + RBBB
1st degree + Full LBBB

20

what's the 3 ECG criteria for STEMI?

ST elevation of >2mm in 2 contiguous Anterior leads
ST elevation of >1mm in limb leads
New LBBB

21

treatment for Torsades?

Magnesium to stabilize the membrane

22

what does magnesium do to heart?

stabilize the membrane