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Difficult or labored breathing.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



disruption of the rate and depth of respiration, accompanied by the sensation of shortness of breath.

Cardiac patients experience dyspnea both while physically exerting themselves and while subsequently resting in the horizontal position. Their condition is complicated by orthopnea, the inability to breathe except in a sitting position. In patients with cardiac diseases, attacks of severe dyspnea, which usually occur at night, are a symptom of cardiac asthma. In such cases, the dyspnea is inspiratory; that is, the patient finds it difficult to inhale. Expiratory dyspnea, difficulty in exhaling, arises when the lumina of the small bronchi and bronchioles are narrowed, as in bronchial asthma. It also arises when the elasticity of the lung tissue is lost, as in chronic emphysema of the lungs. Cerebral dyspnea is a result of direct irritation of the cerebral respiratory center by such abnormalities as tumors and hemorrhages.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
A variety of toxicities were presented in the studies and the acute toxicities included cough, chest pain, dyspnoea, radiation pneumonitis and generalised pain, while the chronic toxicities included fatal haemoptysis, rib fracture, cough, radiation pneumonitis, brachial plexopathy, telangiectasia and pain [12, 16, 21, 23, 39, 47-50].
Heart rate (HR), respiratory rate (RR), and peripheral oxygen saturation (Sp[O.sub.2]) were measured by using the pulse oximeter, the modified Borg scale is used to measure dyspnoea at the beginning and immediately after the test.
We hypothesized that applying TENS to specific acupoints for breathlessness (EX-B1/Dingchuan) would relieve dyspnoea during exercise and would result in increased exercise duration when compared to Sham-TENS.
Respiratory dyspnoea, pain, and oedema in the site of the mouth floor as well as speech and swallowing difficulties are often reported in the medical history of patients with phlegmon of the mouth floor.
These women presented commonly with generalized oedema 87(28.52%), weakness 42(15.08%), dyspnoea 72(23.60%), unable to perform routine work 8(2.62%).
In the first issue, heart failure, [7] dyspnoea, [8] hypertension in the young [9] and valvular heart disease [10] were reviewed.
Living in yzmir, retired science teacher Yyldyrym was taken to the hospital due to hypotension and dyspnoea in October 2015 and underwent treatment for a while.
A 2014 study into clinical presentation of hypertensive crises reported headache as the most prevalent symptom (74.11% of patients), followed by chest discomfort and dyspnoea (62.35%), vertiginous dizziness (49.41%), nausea and emesis (41.47%) (12) as demonstrated in Figure 1.
We present the case of a 39-year-old bodybuilder with a longstanding abuse of AAS presenting with increasing exertional dyspnoea and fatigue and showing signs of left ventricular hypertrophy in the echocardiography.
[5,6] So this study was designed with the objective to find the correlation between dyspnoea in COPD patients and its relation to accompanying depression.
Mitral regurgitation is the most frequent valve disease and in its severe form can cause hart failure symptoms like easy fatigue, dyspnoea in natural fatigue up to acute pulmonary oedema and predisposes the development of heart arrhythmias and strokes.