The Basics
Day 1: The Basics Print Section Listen Cardiac muscle has two unique properties that predispose it to the two common types of arrhythmias Automaticity As opposed to skeletal muscle, all…
Medication and Electrolyte Effects; Miscellaneous Conditions
Day 9: Medication and Electrolyte Effects; Miscellaneous Conditions Print Section Listen Medication effects Digoxin (Day 9-01) Digoxin has a narrow therapeutic to toxic ratio, and is potent stimulator of arrhythmias….
Extrasystoles and Preexcitation Syndromes
Day 7: Extrasystoles and Preexcitation Syndromes Print Section Listen Extrasystoles Mechanisms of extrasystoles Reentry Most extrasystoles, particularly if they are monomorphic, bear a constant relationship to the preceding QRS complex…
Ischemia and Infarction
Day 4: Ischemia and Infarction Print Section Listen The ST segment and T wave in ischemia There are over 100 identified causes of ST segment and T wave changes, so…
Ectopic Arrhythmias and Triggered Activity
Day 6: Ectopic Arrhythmias and Triggered Activity Print Section Listen Ectopy—a disorder of impulse formation Mechanisms of ectopic arrhythmias Ectopic arrhythmias require: Default—slowing of the normal dominant sinus pacemaker which…
SA and AV Nodal Conduction Abnormalities
Day 3: SA and AV Nodal Conduction Abnormalities Print Section Listen Intracardiac electrograms Conduction disturbances in the surface ECG have their genesis in specific locations in the conduction system. …
The Differential Diagnosis of Wide-QRS Tachycardias
Day 8: The Differential Diagnosis of Wide-QRS Tachycardias Print Section Listen Basic considerations Wide QRS tachycardias represent either VT or SVT with aberrant conduction. VT and SVT represent vastly different…
Quality Assurance and Quality Improvement in Interventional Cardiology
INTRODUCTION Print Section Listen Interventional cardiology consists of several related procedures that are performed in the coronary, peripheral, and cerebral vascular systems, as well as the central aorta, the cardiac…
Embolization and No-Reflow During Percutaneous Coronary Intervention
INTRODUCTION Print Section Listen Embolization and coronary no-reflow are rare but important complications during percutaneous coronary intervention (PCI). Recognition and treatment are important in that they may reduce or prevent…
Cost-Effectiveness in Interventional Cardiology
INTRODUCTION Print Section Listen The management of cardiovascular diseases, especially coronary artery disease, has been revolutionized after Dr. Mason Sones performed the first coronary angiography in 1960 and Dr. Andreas…
