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Level 41

CVRR ECGs


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P wave
The area on an ECG corresponding to atrial depolarisation
QRS complex
The area on an ECG corresponding to ventricular depolarisation
ST segment
An area on an ECG corresponding to the period in which the ventricles are depolarised. It is isoelectric
PR interval
An area on an ECG corresponding to the time the electrical impulse takes to travel from the SA node through the AV node and entering the ventricles
T wave
An area on an ECG corresponding to ventricular repolarisation (or recovery)
U wave
A hypothesised area on an ECG thought to correspond with repolarisation of the interventricular septum
Positive, negative
In an ECG, the 'view' of the heart is from the [_______] electrode to the [_______] electrode
Lead II
The 'typical' lead used when performing an ECG