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Dale Dubin (born 1940), is a former American plastic surgeon and author of several cardiology textbooks, though never practicing or being trained as a cardiologist. Dubin practiced medicine in Tampa, Florida, [1] and gained fame within the medical community with the 1972 publication of Rapid Interpretation of EKG's, a best-selling textbook ...
QRS complex. Schematic representation of a normal sinus rhythm ECG wave. Diagram showing how the polarity of the QRS complex in leads I, II, and III can be used to estimate the heart's electrical axis in the frontal plane. The QRS complex is the combination of three of the graphical deflections seen on a typical electrocardiogram (ECG or EKG).
Life in the Fast Lane. " Life in the Fast Lane " is a song written by Joe Walsh, Glenn Frey and Don Henley, and recorded by American rock band Eagles for the band's fifth studio album Hotel California (1976). It was the third single released from this album, and peaked at No. 11 on the Billboard Hot 100.
Benign early repolarization. Benign early repolarization (BER) or early repolarization is found on an electrocardiogram (ECG) in about 1% of those with chest pain. [2] It is diagnosed based on an elevated J-point / ST elevation with an end-QRS notch or end-QRS slur and where the ST segment concave up. It is believed to be a normal variant.
ECG would be abnormal in 75 to 95% of the patients. Characteristic ECG changes would be large QRS complex associated with giant T wave inversion [4] in lateral leads I, aVL, V5, and V6, together with ST segment depression in left ventricular thickening. For right ventricular thickening, T waves are inverted from V2 to V3 leads.
Institutions. University of Leiden. Willem Einthoven (21 May 1860 – 29 September 1927) was a Dutch medical doctor and physiologist. He invented the first practical electrocardiograph (ECG or EKG) in 1895 and received the Nobel Prize in Physiology or Medicine in 1924 for it ("for the discovery of the mechanism of the electrocardiogram"). [1]
de Winter syndrome is an electrocardiogram (ECG) pattern which often represents sudden near blockage of the left anterior descending artery (LAD). [1][5] Symptoms include chest pain, shortness of breath, and sweating. [1] While typically due to blockage of the LAD, other arteries of the heart may be involved. [1]
Causes. It is often a sign of myocardial ischemia, of which coronary insufficiency is a major cause. Other ischemic heart diseases causing ST depression include: Subendocardial ischemia [3] or even infarction. [4] Subendocardial means non full thickness ischemia. In contrast, ST elevation is transmural (or full thickness) ischemia.