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4 Cards in this Set
- Front
- Back
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Basics of how Arrythmiasare classified |
1. Tachy-arrhythmias (supra-ventricular, ventricular) 2. Brady-Arrhythmias (Heart block- AV node delay) |
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Pathophysiology of rhythm disturbances |
1. Long QT- Ischaemia or drugs, congenital, such unexpected death in young adults |
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Terminology & recognition of ventricular ectopics, bigeminy, v. tachycardia & VF |
1. Ventricular ectopics- broad,eraticmorphology of QRS complex, isolated or multiple (eg V. bigeminy), multiple VEs causes ventricular tachycardia or VF |
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Factors influencing risk of ventricular arrhythmias, eg QT interval, K+ levels, drugs, myocardial ischaemia |
1. Susceptibility: Acute coronary syndromes, LV ischaemia, LV dysfunction (HF), LVH predispose to ectopic activity, prolonged QT interval, plasma K+ levels 2. Risks: Circulating K+ levels, QT duration, myocardial ischaemia, genetic predisposition due to channels |
