What does a P wave represent?

What does the PR interval represent?

What does the QRS complex represent?

What does the T wave represent?

What does the QT interval represent?

What is the J point?

What does a J wave represent?

What does a U wave represent?

What are methods fro measuring the heart rate on an ECG?

Lead I

Lead II

Lead III

Which are the bipolar leads and what do they represent?

Which are the unipolar leads and what do they represent?

Lead aVR

Lead aVL

Lead aVF

Precordial leads

V1

V2

V3

V4

V5

V6

Limb Leads Chart
What part of the heart does each represent?

The three laws of electrocardiography

Measuring the axis (quick version)

Measuring the axis (long version)

Vector change from neonate to adulthood

Normal sinus rhythm

Arrhythmias, generally

Sinus bradycardia

Sinus tachycardia

Sinus arrhythmia

ECG and Cardiac Enlargement

How do you assess left atrial abnormality/enlargement on an ECG?

How do you assess right atrial abnormality/enlargement in an ECG.

How do you assess for ventricular hypertrophy on an ECG?

How do you assess for left ventricular hypertrophy on ECG?

How do you assess for right ventricular hypertrophy on ECG?

What is a bundle branch block?

How do you assess a right bundle branch block on ECG?

How do you assess for a left bundle branch block on ECG?

How do you assess for a left hemiblock on ECG?

What are the findings on ECG for transmural ischemia?

What is the time course of an MI as it appears on an ECG?

How do you identify the location of an MI on an ECG?

Subendocardial infarcts

SUMMARY
Affected area
EKG leads
Artery involved
Reciprocal changes

Wolf-Parkinson-White Syndrome
(WPW)

Approach to identifying arrhythmias

Ventricular fibrillation

Ventricular tachycardia

Ventricular asystole

Premature ventricular contractions
(PVCs)

Pulseless Electrical Activity
(PEA)

Atrial Fibrillation

Atrial Flutter

AV Block, generally

First Degree AV Heart Block

Second Degree AV Heart Block
Mobitz Type I

Second Degree AV Heart Block
Mobitz Type II

Third Degree Heart Block

Hypokalemia

Hyperkalemia

Hypercalcemia

Hypocalcemia

What can cause a prolonged QT interval?

Cardiac glycosides (Digoxin) and contractility

Digoxin side effects and their causes

Digoxin and ECG

Acute pericarditis

Cor pulmonale

Pulmonary Embolism

Pacemaker cells

Electrical Conduction Cells

Myocardial Cells