The ability to identify an abnormality on the 12-lead ECG, suggestive of underlying cardiac disease associated with sudden cardiac death (SCD), is based on a sound working knowledge of the normal ECG ...

refers to the normal heart beat originating from the sinoatrial node. This is manifested as an upright P wave in lead II of the ECG. Sinus bradycardia occurs when the heart rate is less than 60 ...

The goal of ECG interpretation in athletes is to classify the ECG as: (1) ‘normal’—no further evaluation needed or (2) ‘abnormal’—further evaluation needed. Normal ECGs include common, ...

ECG Challenge: Sudden Palpitations and Shortness of Breath A 56-year-old patient with cardiomyopathy lands in the emergency department with shortness of breath and a rapid heart rate. What does ...

there are a variety of atypical ECG patterns, often called 'normal variants', that can occur in perfectly normal individuals. SCD is most often due to an extremely rapid and uncoordinated cardiac ...

The resting electrocardiogram (ECG) furnishes essential information for the diagnosis, management, and prognostic evaluation of patients with congestive heart failure (CHF). Almost any ECG ...