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A fusion of supraventricular impulses across a normal rapid ventricular pathway with a premature ventricular complex that happens to occur at close to the same Read More

The number of QRS complexes per minute; note that HR may not equal perfused pulse rate. See also: – Step 1 Heart Rate – Rate Read More

The electrical network that includes the bundle of His, the bundle branches and the Purkinje network (fibres). A wave of depolarization normally begins with the Read More

Blood potassium level higher than normal limits. Table 6.5 provides a non-exhaustive list of cardiac conditions that are associated with a variety of abnormal ECG Read More

Blood pressure above acceptable limits – above 90 mm of Hg diastolic and above 140 mm of Hg systolic. 1. Six Second ECG Guidebook (2012), Read More

Blood potassium level lower than normal limits. Table 6.5 provides a non-exhaustive list of cardiac conditions that are associated with a variety of abnormal ECG Read More

Blood magnesium level lower than normal limits. Table 6.5 provides a non-exhaustive list of cardiac conditions that are associated with a variety of abnormal ECG Read More

Blood pressure below acceptable levels – commonly below 90 mm of Hg systolic. 1. Six Second ECG Guidebook (2012), T Barill, p. 197 Read More

A sub-therapeutic blood oxygen level resulting in markedly reduced energy production and the formation of lactic and pyruvic acid (anaerobic metabolism). 1. Six Second ECG Read More

The ability to identify cardiac ischemia, injury and infarction is vital in the management of the majority of cardiac emergencies. Most sudden cardiac deaths are Read More