Location of the V3-V4 Leads
Location of the V5-V6 Leads
Location of the II, III, AVF Leads
Normal PR Interval
How many small squares should there be to be considered hypertrophy
> 35 small squares
What does Left Atrial Enlargement look like in the ECG?
Lead II Notched P (wider than 3 small squares) Lead V1 Inverted R
What does Right Atrial Enlargement look like in the ECG?
Lead II Peaked P (higher than 2.5 small squares) Lead V1 Upright R
T Wave Inversion Points to?
ST Elevation Points to?
Rabbit Ear QRS Points to?
Widened QRS Points to?
Hypercalcemia presents with what in ECG?
Shortened QT Segment
Hypocalcemia presents with what in ECG?
Prolonged QT Segment
Hyperkalemia presents with what in ECG?
Peaked T > 10 small squares
Hypokalemia presents with what in ECG?
Flat T U Wave
Missing P waves before QRS Complex indicates?
First Degree AV Block ECG Manifestation
Prolonged PR Interval (>0.2s)
Differentiate Second Degree AV-Block Mobitz Type I and II
Type I: Progressive increase in PR interval and sudden blockage Type II: PR interval is constant and then a sudden blockage occurs
Premature Atrial Contraction
1st Degree AV Block
2nd Degree Block Mobitz Type I
2nd Degree Block Mobitz Type II
3rd Degree AV Block
Left Axis Deviation
Extreme Right Axis Deviation
Right Axis Deviation
Right Ventricular Hypertrophy
Left Ventricular Hypertrophy