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