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Variant Angina with Spontaneously Documented Ischemia- and Tachycardia-induced "Lambda" Waves

Takahashi, Koji ; Sakaue, Tomoki ; Yamashita, Mina ; Enomoto, Daijiro ; Uemura, Shigeki ; Okura, Takafumi ; Ikeda, Shuntaro ; Yamamura, Nobuhisa ; Ikeda, Kaori

Internal Medicine, 2021/05/01, Vol.60(9), pp.1409-1415 [Periódico revisado por pares]

Japan: The Japanese Society of Internal Medicine

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Título:
Variant Angina with Spontaneously Documented Ischemia- and Tachycardia-induced "Lambda" Waves
Autor: Takahashi, Koji ; Sakaue, Tomoki ; Yamashita, Mina ; Enomoto, Daijiro ; Uemura, Shigeki ; Okura, Takafumi ; Ikeda, Shuntaro ; Yamamura, Nobuhisa ; Ikeda, Kaori
Assuntos: Angina ; Angina pectoris ; Case Report ; Coronary artery ; Ischemia ; lambda wave ; left anterior fascicular block ; left septal fascicular block ; Morphology ; Myocardial ischemia ; proximal left anterior descending coronary artery ; Tachyarrhythmia ; Tachycardia ; transmural conduction delay ; variant angina ; Ventricle ; Waves
É parte de: Internal Medicine, 2021/05/01, Vol.60(9), pp.1409-1415
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Correspondence to Dr.　Koji Takahashi, michitokitatsumasa@gmail.com
Descrição: In a patient with variant angina of the proximal left anterior descending coronary artery, myocardial ischemia changed the QRS-ST-T configurations without J-waves into those resembling "lambda" waves at maximal ST-segment elevation, and couplets or triplets of supraventricular extrasystole (SVE) changed the ischemia-induced "lambda" waves into QRS-ST-T configurations resembling a "tombstone" morphology or "monophasic QRS-ST complex." At the resolution phase of coronary spasm, the QRS-ST-T configurations returned to those without J-waves and were changed by SVE into "lambda" waves. Interestingly, neither ischemia- nor SVE-induced "lambda" waves or SVE-induced "tombstone" morphology or "monophasic QRS-ST complex" were complicated by ventricular tachyarrhythmia.
Editor: Japan: The Japanese Society of Internal Medicine
Idioma: Inglês

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Variant Angina with Spontaneously Documented Ischemia- and Tachycardia-induced "Lambda" Waves

Takahashi, Koji ; Sakaue, Tomoki ; Yamashita, Mina ; Enomoto, Daijiro ; Uemura, Shigeki ; Okura, Takafumi ; Ikeda, Shuntaro ; Yamamura, Nobuhisa ; Ikeda, Kaori

Japan: The Japanese Society of Internal Medicine

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