Pulsus Alternans Involving the Right Heart

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概要

• 論文の詳細を見る

• Pulsus alternans involving the right side of the heart was studied in 5 patients. Four of 5 patients had mitral stenosis with severe pulmonary hypertension and the other had postpartum myocardial disease with clinical signs indicating both left and right heart failure. It was concluded that pulsus alternans in the pulmonary circulation was elicited in close connection with severe right ventricular strain or failure.Premature beat of ventricular origin was one of the most important trigger mechanism initiating pulsus alternans. Contrary to the previous opinion in the literature pulsus alternans following premature beats could persist for a rather long time, at least in the presence of pulmonary hyperten-sion. Pulsus alternans was induced in a patient by exercise as the pulmonary hypertension was exaggerated.Alternation of the right ventricular diastolic and right atrial pressures was found in 2 patients in addition to that of the right ventricular systolic pressure. However, it could not be considered that the atrial or right ventri-cular diastolic alternation played an important role in the genesis of pulsus alternans in the pulmonary circulation.

• International Heart Journal刊行会の論文

著者

• Hashiba Kunitake

  First Department Of Internal Medicine Nagasaki University School Of Medicine

• ONO AKIO

  First Department of Internal Medicine, Nagasaki University School of Medicine

• MATSUO SHUZO

  First Department of Internal Medicine, Nagasaki University School of Medicine

• TAJIMA Nobuo

  First Department of Internal Medicine, Nagasaki University School of Medicine

• KATAYAMA Tomoyuki

  First Department of Internal Medicine, Nagasaki University School of Medicine

• TAKAHASHI Akira

  First Department of Internal Medicine, Nagasaki University School of Medicine

• FUJITA Junshi

  First Department of Internal Medicine, Nagasaki University School of Medicine

• YAMAGUCHI Yoshimi

  First Department of Internal Medicine, Nagasaki University School of Medicine

• MIURA Kayuko

  First Department of Internal Medicine, Nagasaki University School of Medicine

• YOSHIOKA Yoshito

  First Department of Internal Medicine, Nagasaki University School of Medicine

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