نتایج جستجو برای: electrocardiographic changes
تعداد نتایج: 879179 فیلتر نتایج به سال:
A56-year-old woman (height 165 cm, weight 65 kg) was admitted to the hospital because of a 2-day history of epigastric pain and emesis. Two weeks prior to admission, she had a Billroth II with Roux-en-Y procedure for stomach stricture and biliary reflux. Her medical history was significant for 1 episode of atrial fibrillation many years previously, osteoporosis, bilateral hip replacements, and ...
AIMS Cardioinhibitory syncope (CS) is a neurally mediated response causing bradycardia or asystole. This study reports on changes in blood pressure, heart rate variability (HRV), and ECG patterns before and after syncope with asystole. METHODS AND RESULTS Thirty-five patients with CS and a matched control group were submitted to 60 degrees head-up tilt for 20 min with the addition of nitrogly...
Asthmatic attacks were induced in 11 patients by the inhalation of the antigenic extracts. The electrocardiograms were recorded before, during and after the attacks for comparison. The significant changes during the asthmatic attack were as follows: (1) taller and more peaked P-waves in leads II, III and aVF, and the shifting of the mean vector of P-waves on the frontal plane towards the right;...
We present the case of a 58 year-old woman with dyslipidemia, ex-smoker, with no known history of heart problems, agnosed with oat-cell lung carcinoma two years earlier. She perienced extreme fatigue and inability to make fine moveents for 10 days and sought emergency care. A cerebral mputed tomography (CT) revealed a space-occupying lesion the right frontal region, indicative of metastasis. A ...
Studies in 17 hypertensive patients showed that the electrocardiographic features of T-wave inversion and S-T segment depression distinguish those patients with higher systolic blood pressures. They do not indicate impaired cardiac function.
BACKGROUND Non-specific electrocardiographic ST-T wave changes and voltage criteria for left ventricular hypertrophy (LVH) have been associated with cardiovascular morbidity and mortality. The aim of the cohort study was to evaluate the prognostic value of non-specific ST-T changes and LVH electrocardiographic criteria on cardiovascular events and mortality in hypertensive patients. METHODS A...
Background/Objectives The association between electrocardiographic abnormalities and the outcomes in acute ischemic stroke patients after intravenous thrombolysis remains unclear. We sought to assess the predictive value of electrocardiographic abnormalities in stroke patients after thrombolysis. Methods Consecutive acute stroke patients with thrombolysis from Feb 2008 to Jun 2013 were includ...
Two young women with acute ulcerative colitis were found to have electrocardiographic abnormalities which returned to normal with clinical improvement and corticosteroid therapy. Clinical and biochemical monitoring failed to reveal any cause for this previously unrecognized association and it is postulated that an aetiological agent or toxin produced by the inflammatory process may have damaged...
BACKGROUND Epilepsy is the second most common type of chronic neurological disease. Its diagnosis carries an excess mortality, which is 2-3 times higher than that of general population. Mortality rates are increased among patients with uncontrolled seizures. The aim of this study was to characterize the electrocardiogram (ECG) changes during pre-ictal, ictal and post-ictal states in pharmaco-re...
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