ST Elevation Related to the Site of Coronary Occlusion
Fig. 1.1 (a, b) Patient ECG: sinus rhythm, third-grade atrioventricular block, narrow QRS escape rhythm with a heart rate of 33 bpm, ST-segment elevation in the inferior leads (DII, DIII,…
Acute Heart Failure and Pulmonary Edema
Precipitants and causes of acute heart failure syndromes (AHFSs) Rapid deterioration Gradual deterioration Rapid arrhythmias Arrhythmias Acute coronary syndromes (ACSs) Infections (including endocarditis) Mechanical complications of ACS Exacerbation of COPD/asthma…
Clinical Electrophysiology of the Cardiac Conduction System
Fig. 3.1 Chest radiographs in two projections (left panel: left anterior oblique; right panel: right anterior oblique) demonstrating placement of four bipolar electrode pair electrodes; one each in the high…
Transcatheter Ablation of Cardiac Arrhythmias in the Young
Fig. 23.1 Transseptal puncture access to left atrium: LAO fluoroscopy view during process of transseptal puncture. Decapolar catheter in coronary sinus. Quadripolar catheter in high right atrium. His/RV combo catheter…
Ventricular Tachycardia
Fig. 13.1 An ECG of ventricular tachycardia presenting in a 3-day-old with mild LV dysfunction. The tachycardia exhibits a left bundle branch block with an inferior axis suggesting origin of…
Cardiac Pacemakers and Implantable Cardiovascular-Defibrillators
Fig. 18.1 Percentage of patients with each indication for device implantation. All are new implants since 2000. Cong Block = nonsurgically related heart block; Surg Block = surgically related heart block; Surg SND = surgically related…
Sick Sinus Syndrome
Electrocardiographic manifestations of sick sinus syndrome Sinus bradycardia Extreme sinus arrhythmia Tachycardia–bradycardia syndrome Sinoatrial exit block Sinus pause/sinus arrest Sinoatrial reentrant tachycardia Electrocardiographic findings associated with sick sinus syndrome Intra-atrial…
Atrioventricular Reentry Tachycardia
Fig. 4.1 Cartoon of the heart demonstrating the atrioventricular conduction system with a left accessory connection. The P-wave and QRS complex are show short the indicating the impulse PR interval…
First- and Second-Degree Atrioventricular Block
Fig. 15.1 Sinus rhythm with a junctional premature beat (J), which results in AV node refractoriness and block of the next sinus beat. *Subsequent non-conducted atrial impulse may be due…
Fetal Arrhythmias
Fig. 20.1 M-mode echocardiogram from fetus in sinus rhythm. Upper image demonstrates beam position through the atrium and ventricle. Small arrows mark atrial contractions, and arrowheads mark ventricular contraction. Note…
