…the left ventricle. This type of bradycardia is due to diminished automaticity (pacemaker function) in the sinoatrial node or conduction defects (e.g. second degree…

Arrhythmias and arrhythmology Emergency medicine Pharmacology & dosing Definition and Pathophysiology Bradycardia encompasses a spectrum of rhythm disturbances characterized by an inappropriately slow heart rate. Within…

…guides the management of non acute or asymptomatic bradyarrhythmia. In patients presenting with intermittent symptoms of bradycardia, it is fundamental to establish a temporal correlation…

Arrhythmias and arrhythmology Critical care Pharmacology & dosing Definition and Pathophysiology Bradycardia and conduction disorders arise from dysfunction within the sinus node, the atrioventricular node (AVN…

ECG Myocardial ischemia and infarction Conduction defects caused by myocardial ischemia and infarction Bradycardia and conduction defects, such as bundle branch block, fascicular block and…

…and asystole. Bradyarrhythmias are discussed in the chapter Management of Bradycardia (Bradyarrhythmia). Initial rhythm and the course of arrhythmias during cardiac arrest The initial rhythm…

…after the tachycardia episode. Under certain circumstances, bradycardia can actually reduce conduction through the AV node, resulting in increased AV block. Sinus node dysfunction can…

…The conditions encircled by the term sinus node dysfunction are as follows: Sinus bradycardia (which in its purest form means that the automaticity is diminished)…

…bradycardia, SA block, sinus arrest, sick sinus syndrome, second degree or third degree AV block. An escape rhythm may be present in any bradycardia. Bradycardia…

…palsy — that can be assessed before and during the window of effect. The muscarinic effect may at the same time produce marked bradycardia and, rarely…