ECG Stuff Flashcards
Upright P Wave Leads
Leads 1, 2, V4, V5, V6 and aVF
Inverted P Wave Leads
aVR
Variable P Wave Leads
Lead 3, aVL and others
PR Interval Length
.12 to .20 seconds
QRS Complex Length
.05 to .10 seconds
Q shouldn’t be more than .03 of this
ST Segment Elevation and Depression
Elevated 1-2 mm normal
Depressed up to .5 mm normal (but never more)
Upright T Wave Leads
Leads 1, 2, V3, V4, V5 and V6
Inverted T Wave Leads
aVR
Variable T Wave Leads
Leads 3, aVL, aVF, V1 and V2
Premature Ventricular Contraction
ECG Features
Lost P wave
Early and wide QRS complex
ST segment elevated/depressed opposite of R peak
Premature Atrial Contraction
ECG Features
Early P wave, very close to previous T wave
Rhythm thrown off after PAC
Atrial Fibrillation
ECG Features
Irregularly irregular P wave peaks in rapid succession
Ventricular Tachycardia
ECG Features
Very fast rate with regular rhythm
No P waves, wide QRS
Supraventricular Tachycardia
ECG Features
Regular, narrow QRS complexes
No Pwaves
Inferior Heart Region
Leads and Associated Artery
Leads II, III and aVF
Right Coronary Artery
