ECG Flashcards
1
Q
Sinus arrhythmia is caused by
A
increased vagal tone on inspiration
2
Q
Sinus arrhythmia is augmented in
A
respiratory disease
3
Q
The parts of the trace correspond to: P- Q- R- T-
A
P- atrial depolarisation - begins at SA node in RA
Q- intraventricular septum depolarisation
R- ventricular depolarisation
T- Repolarisation of ventricular myocardium
4
Q
Calculating HR from an ECG
A
complexes in 6sec x 10
