ECGs Flashcards
(26 cards)
What is shown by the P wave
Atrial depolarisation
What is shown by the Q wave
Septal depolarisation
What is shown by the R wave
Ventricular depolarisation
What is shown by the S wave
Late ventricular depolarisation
What is shown by the T wave
Ventricular repolarisation
Location of red lead
Right arm
Location of yellow lead
Left lead
Location of green lead
Left leg
Location of black lead
Right leg
Location of V1
4th intercostal, Right
Location of V2
4th intercostal, Left
Location of V3
5th rib, Left
Location of V4
5th intercostal, Left, Mid-clavicular
Location of V5
5th intercostal, Left, Anterior of axilla
Location of V6
5th intercostal, Left, Mid-axillary
Area viewed by lead I
Left of heart
Area viewed by lead II
Apex of heart
Area viewed by lead III
Bottom right of heart
Area viewed by aVL
Top left of heart
Area viewed by aVF
Bottom of heart
Area viewed by aVR
Top right of heart
ECG findings with atrial fibrillation
Absent P waves
ECG findings with ventricular fibrillation
Unclear QRS complex
ECG findings with 1st degree heart block
Increased P-R interval