5.2 Hypertrophic Obstructive Cardiomyopathy Hypertrophic Obstructive Cardiomyopathy ECG characteristics: Etiology: Genetic defect in chromosome 1, 11, 14, or 15; encoding of pathological myofibrils ECG characteristics: Often highly positive Sokolow index…
3.7 Atrial Tachycardia Focal Atrial Tachycardia Mechanism: Increased automaticity of a left atrial focus Predisposition for the origin: In the region of the opening of the coronary sinus In the…
4.1 Coronary Anatomy Right and Left Coronary Arteries Right coronary artery (RCA) [1]: Supply: Parts of the lateral and posterior wall, atria, sinus and AV node Branches: Before crux cordis:…
3.8 “Atypical” Atrial Flutter Nonisthmus-Dependent “Atypical” Atrial Flutter (Left Atrial) Differential diagnosis: Typical atrial flutter Atrial ectopic tachycardia AV nodal reentry tachycardia Orthodromic WPW tachycardia Sinus tachycardia Atrial fibrillation
4.3 Acute Coronary Syndrome Stress-Induced Ischemia in Coronary Heart Disease (Posterior Wall) Without Infarction ECG characteristics: Horizontal to descendent ST segment depression (significant if more than 0.1 mV in the…
5.6 Acute Pulmonary Embolism Acute Pulmonary Embolism ECG characteristics: Mechanism: Acute systolic overload of the right ventricle as a result of occlusion of one or more arteries in the pulmonary…
5.10 QT Syndrome QT Syndrome ECG characteristics: Etiology: Congenital: Genetic defect of the voltage-dependent potassium or sodium channels (total of five different types) Acquired: Medication or ischemia ECG characteristics: Prolongation…
5.8 Arrhythmogenic Right Ventricular Dysplasia Arrhythmogenic Right Ventricular Dysplasia
3.15 Ventricular Fibrillation Ventricular Fibrillation Mechanism: Rapid reentry? Faster focus? ECG characteristics: Nonhomogeneous oscillating ventricular complexes with no isoelectric axis Wave and tooth configuration Ventricular rate > 300 per minute
3.14 Ventricular Flutter Ventricular Flutter Mechanism: Rapid reentry? Faster focus? ECG characteristics: Homogeneous ventricular complexes with no isoelectric axis Hair-pin configuration Ventricular rate between 240 and 300 per minute
