Electrocardiography

Normal Characteristics and Assessment Techniques

aVR, aVL and aVF Leads
V1 - V6 Leads

The ECG and its Relationship with Electrical Conduction

ECG Paper
Time Measurement
Voltage Measurement
Determination of Heart Rate

Recognizing Abnormal ECG Characteristics

Analysis of Rhythm
The P-wave
The P-R Interval
The QRS Complex
The S-T Segment, T-wave and Q-wave

Steps in Analyzing ECG's

Morphology and Possible Cause of Abnormal ECG's

AV Blocks - First Degree Blocks
Second Degree Blocks - Mobitz I (Wenchebach)
Mobitz II
Third Degree Heart Blocks (Complete AV Dissociation)

Bundle Branch Blocks

Normal Electrical Depolarization
Right Bundle Branch Blocks (RBBB)
Left Bundle Branch Blocks (LBBB)

Atrial Arrythmias

Sinus Tachycardia
Sinus Bradycardia
Atrial Fibrillation
Atrial Flutter

Ventricular Arrythmias

PVC's
Ventricular Tachycardia
Ventricular Fibrillation

Myocardial Ischemia and Infarction

Ischemia
Subendocardial Infarct
Transmural Infarct
Printzmetal's Angina
Digitalis Effects

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