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Overview of atrioventricular (AV) blocks

…AV) blocks , subdivided according to the degree of block. First , second and third degree AV block may all be diagnosed using the ECG. First degree…

Management and treatment of AV block (atrioventricular blocks)

Conduction defects ECG Management and treatment of AV blocks (AV block 1, 2 & 3) Evaluation of patients with suspected AV blocks requires a thorough medical…

Evaluation of exercise stress test: ECG, symptoms, blood pressure, heart rate, performance

…intensity of the physical activity. It is based on the subjective physical sensations experienced during exercise, including increased heart rate, increased respiratory rate and depth…

Interpretation of myocardial perfusion images (Myocardial SPECT / PET)

…the intensity of tracer uptake and associated myocardial changes: Mild defects : Characterized by decreased tracer counts while preserving normal wall thickness, often indicative of early…

Supraventricular and intraventricular conduction defects in myocardial ischemia and infarction

…more difficult, which explains why individuals with bundle branch blocks are treated sub optimally (in terms of evidence based medications and use of PCI), as…

Digoxin - ECG changes, arrhythmias, conduction defects & treatment

…conduction defects and waveform changes Digoxin may be used in patients with heart failure, atrial fibrillation, atrial flutter, and in selected cases of paroxysmal supraventricular…

Cardiac thromboembolism: cardiac sources of embolism

…excrescences Septum Defects — PFO, ASA, ASD SOURCES OF CARDIAC EMBOLI AND EMBOLIC POTENTIAL Echocardiography for the investigation of cardiac embolic sources The aim of echocardiography…

Intraventricular conduction delay: bundle branch blocks & fascicular blocks

…crucial for rapid and synchronized activation of the ventricles, conduction defects will typically cause abnormal ventricular activation (i.e. contraction). The significance of this will…

Left Bundle Branch Block: ECG criteria and clinical implications

Conduction defects ECG Lathundar Left Bundle Branch Block (LBBB) Electrocardiographic Criteria and Characteristics Left bundle branch block is characterized by a significant reorganization of the…

Left bundle branch block (LBBB): ECG criteria, causes, management

Conduction defects ECG Left bundle branch block (LBBB) Left bundle branch block (LBBB) results from anatomical or functional impairment of the left bundle branch (LBB…

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