
Inappropriate Sinus Tachycardia (IST)
Also known as primary sinus tachycardia, inappropriate sinus tachycardia (IST) is a generally benign condition that has a prevalence of ~1% in the general population
Also known as primary sinus tachycardia, inappropriate sinus tachycardia (IST) is a generally benign condition that has a prevalence of ~1% in the general population
The ECG changes associated with acute pulmonary embolism may be seen in any condition that causes acute pulmonary hypertension, including hypoxia causing pulmonary hypoxic vasoconstriction.
Sinus rhythm with resting heart rate (HR) > 100 bpm in adults, or above the normal range for age in children
Hyperthyroidism and the most common ECG changes seen with thyrotoxicosis including Sinus tachycardia, AF and High left-ventricular voltage