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Wellens' syndrome is an electrocardiographic manifestation of critical proximal left anterior descending (LAD) coronary artery stenosis in people with unstable angina. Originally thought of as two separate types, A and B, it is now considered an evolving wave form, initially of biphasic T wave inversions and later becoming symmetrical, often ...
Wellens' syndrome is caused by the injury or blockage of the left anterior descending artery, therefore resulting in symmetrical T wave inversions from V2 to V4 with depth more than 5 mm in 75% of the cases. Meanwhile, the remaining 25% of the cases shows biphasic T wave morphology. ST segments remains neutral in this syndrome.
Wellens' sign or warning: Hein Wellens: cardiology: severe stenosis of LAD: characteristic ekg changes Wernicke encephalopathy: Carl Wernicke: neurology, psychiatry: thiamine deficiency: neurological symptoms caused by biochemical lesions of the central nervous system after exhaustion of B-vitamin reserves, in particular thiamine: Wernicke ...
Wellens' syndrome This page was last edited on 2 April 2015, at 21:21 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4.0 ...
Henrick Joan Joost (Hein J. J. ) Wellens, M.D., (1935–2020) was a Dutch cardiologist who is considered one of the founding fathers of clinical cardiac electrophysiology - a discipline which enables patients with cardiac arrhythmias to have catheter electrode mapping and ablation.
Brugada syndrome is diagnosed by identifying characteristic patterns on an electrocardiogram. [14] The pattern seen on the ECG includes ST elevation in leads V 1-V 3 with a right bundle branch block (RBBB) appearance. There may be evidence of a slowing of electrical conduction within the heart, as shown by a prolonged PR interval.
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The combination of an accessory pathway that causes pre-excitation with arrhythmias is known as Wolff–Parkinson–White syndrome. [ 2 ] Accessory pathways are often diagnosed using an electrocardiogram, but characterisation and location of the pathway may require an electrophysiological study .