The clinical characteristics of reversible left ventricular dysfunction due to “takotsubo”
cardiomyopathy have been described, but the origin of this condition remains unclear. This study …

A 70-year-old woman was admitted to the hospital with chest discomfort after quarreling
with her neighbors. Electrocardiography revealed ST-segment elevation in leads I, II, III, aVL, …

Background: Recently, many cardiologists have recognized the existence of a rapidly reversible
form of heart failure of unknown origin characterized by a takotsubo‐shaped, dyskinetic …

An 80-year-old female was admitted for a persistent consciousness disturbance.
Electrocardiography revealed ST-segment elevation in leads II, III, aVf, and V3-V6. Coronary …

A 64-year-old man was admitted due to hypokalemiarelated myopathy. He was heavy drinker.
He felt the stress of alcohol withdrawal during his hospitalization. The patient suffered a …

We assessed the usefulness of serum cystatin C for predicting contrast-induced nephropathy
(CIN) in patients (n = 100) undergoing coronary catheterization. After a 12-month follow-up, …

The autonomic properties in 27 patients with the electrocardiographic morphology of Brugada
syndrome were investigated using 24-h Holter monitoring: 10 patients had a history of …

We describe a patient with acute myocardial infarction, which was thought to result from plaque
rupture or thrombosis because of coronary artery spasm. The vasospasm was most likely …

BACKGROUND: This study aimed to investigate and compare prevalence of sleep disordered
breathing (SDB) in Japanese patients with heart failure with reduced ejection fraction (…

To identify the anatomical basis for cardiac electrical signal conduction, particularly seeking
the intramural terminals of conduction pathway within the ventricles, sheep hearts were …