منابع مشابه
Left ventricular failure with labetalol.
A patient treated for hypertension with labetalol developed left ventricular failure. When the drug was withdrawn and the BP controlled with 2 other agents, the signs of heart failure regressed. The ill effects in this case could have been because the beta-blocking effects of labetalol are 4 to 6 times greater than the alpha-blocking effects. Caution should be exercised when prescribing this dr...
متن کاملChronic Left Ventricular Heart Failure
The effect of the vasodilator prazosin vs placebo on exercise duration until marked dyspnea, and on left ventricular function measured by echocardiography, was evaluated in a double-blind, randomized study in 24 patients with chronic left ventricular failure despite digitalis and diuretic therapy. Compared with the double-blind placebo, prazosin reduced resting systolic and diastolic blood pres...
متن کاملA New Sign of Left Ventricular Failure.
The prominent P wave associated with mitral stenosis is well recognized it is usually widened and is often notched, bifid, or flat-topped ; it is generally thought to be a result of left auricular hypertrophy. There is also some evidence that a tall spiked P wave may be produced by right auricular hypertrophy, for such a wave is rarely found except in cases of tricuspid stenosis," congenital pu...
متن کاملLeft ventricular myxoma producing cardiac failure.
INTRODUCTION Seventy-five percent of primary cardiac tumors are benign, and most are myxomas. Seventy-five percent of myxomas originate from the left atrium, and 2.5% arise from the left ventricle. Heart failure is a rare complication of myxoma. CASE A 54-year-old male patient with chronic obstructive pulmonary disease was admitted to the pulmonology department with a diagnosis of pneumonia a...
متن کاملImpedance pneumograph studies in left ventricular failure.
Tidal volume can be measured by recording the changin impedance of the thorax caused by breathing. Thus breathing can be recorded quantitatively from two electrodes placed on each side of the chest. The method is especially useful in breathless patients and studies of breathing patterns during sleep. A patient with a long circulation time due to left ventricular failure had periodic breathing b...
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ژورنال
عنوان ژورنال: Postgraduate Medical Journal
سال: 1938
ISSN: 0032-5473
DOI: 10.1136/pgmj.14.150.100