ECG 2 Flashcards
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”
![](https://s3.amazonaws.com/brainscape-prod/system/cm/088/765/923/a_image_thumb.png?1659422044)
to determine AXis
ask if Is QRS positive or negativ in leads____
I and AVF
“3 down, 1 over”
![](https://s3.amazonaws.com/brainscape-prod/system/cm/088/766/025/a_image_thumb.png?1659422044)
green?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/088/766/257/q_image_thumb.png?1659471786)
P wave
red?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/088/766/295/q_image_thumb.png?1659471786)
R wave
purple?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/088/766/296/q_image_thumb.png?1659471786)
S wave
blue wave?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/088/766/297/q_image_thumb.png?1659471787)
T wave
QRS in lead I is POSITIVE, QRS lead avF is NEGATIVE
Left axis deviation
![](https://s3.amazonaws.com/brainscape-prod/system/cm/088/766/312/a_image_thumb.png?1659422045)
QRS in lead I is NEGATIVE, QRS lead avF is NEGATIVE
Right axis deviation
“right is complete opposite, red”
![](https://s3.amazonaws.com/brainscape-prod/system/cm/088/766/362/a_image_thumb.png?1659422045)
QRS in lead I is NEGATIVE, QRS lead avF is POSITIVE
Right axis deviation
![](https://s3.amazonaws.com/brainscape-prod/system/cm/088/766/388/a_image_thumb.png?1659422045)
QRS in lead I is POSITIVE, QRS lead avF is POSITIVE
normal axis “two thumbs up sign”
![](https://s3.amazonaws.com/brainscape-prod/system/cm/088/766/485/q_image_thumb.png?1659471787)
Signifies an acute process, ST segment returns to
baseline with time
![](https://s3.amazonaws.com/brainscape-prod/system/cm/088/766/504/q_image_thumb.png?1659471787)
pathologic Q wave
Old infarcts: significant Q waves (like infarct damage) remain
for a lifetime
if acute, there would be a stemi too