You are reviewing an ECG you arranged for a 56-year-old man with newly diagnosed hypertension. The trace is normal but the computerised report notes ‘first-degree heart block’. Looking at the ...
Duplication or absence of parts of the specialized cardiac conduction system in patients with heterotaxy syndrome causes significant clinical disease, but the mechanistic basis by which embryonic ...
Answer: Enhanced parasympathetic tone and ischemia to the AV nodal artery. Also recall that the right coronary artery (RCA), in addition to supplying the right ventricle and inferior walls, also ...
A premature atrial contraction (PAC) occurs when a focus in the atrium (not the SA node), generates an action potential before the next scheduled SA node action potential. When this occurs prior to ...
NEW YORK (Reuters Health) - The results of a new study suggest that patients with psoriatic arthritis, a form of rheumatoid arthritis accompanied by psoriasis, may have "subtle" cardiac conduction ...
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