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Flashcards in ECG 2 Deck (12)
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1

how to calcualte rate on ecg?

1) pick a referene point

2) count how many boxes between the start line and an indicatal point

count "300, 150, 100, 75, 50"

2

to determine AXis

ask if Is QRS positive or negativ  in leads____

 I and AVF

"3 down, 1 over"

3

green?

P wave

4

red?

R wave

5

purple?

S wave

6

blue wave?

T wave

7

QRS in lead I is POSITIVE, QRS lead avF is NEGATIVE

Left axis deviation

8

QRS in lead I is NEGATIVE, QRS lead avF is NEGATIVE

Right axis deviation

"right is complete opposite, red"

9

QRS in lead I is NEGATIVE, QRS lead avF is POSITIVE

Right axis deviation

10

QRS in lead I is POSITIVE, QRS lead avF is POSITIVE

normal axis "two thumbs up sign"

11

Signifies an acute process, ST segment returns to
baseline with time

12

pathologic Q wave

Old infarcts: significant Q waves (like infarct damage) remain
for a lifetime

if acute, there would be a stemi too