Delta waves occur in Wolff-Parkinson-White ... in one ECG with a QRS complex rate of < 100. Idioventricular rhythms meet criteria for ventricular tachycardia, but have a heart rate of < 100.
The most common ECG finding ... termed the McGinn-White Sign. A large S wave in lead I, a Q wave in lead III and an inverted T wave in lead III together indicate acute right heart strain.
An electrocardiogram, or EKG, measures electrical activity of a heartbeat; a CT scan uses X-rays to take clear, detailed images of the heart. The study is being presented at the American Heart ...