نتایج جستجو برای: sinus arrest
تعداد نتایج: 98495 فیلتر نتایج به سال:
A. H., a 77-year-old woman, was admitted to the Williamsburgh General Hospital on October 5, 1955, with a history of left radical mastectomy for malignant disease 15 years previously with no recurrence to date. Hypertension was of many years' duration. She had shown slight evidences of congestive heart failure some months prior to admission, had been digitalized, and was comfortable on a mainte...
The origin of both coronary arteries from the pulmonary artery is a rare cardiac malformation. We report a baby who presented with an echocardiographically diagnosed perimembranous ventricular septal defect and normal left ventricular (LV) function. Later on the boy developed failure to thrive and increasing tachypnea. At the age of 5 weeks the ECG showed that LV strain and echocardiographic LV...
A glossopharyngeal neuralgia case with cardiac asystole is presented. The sinus mode dysfunction and subsequent syncope with pain appears to be the most important life-threatening symptom in the late period of the disease. Because of cardiac symptoms induced by intense vagal stimulation, this case was considered to be vagoglossopharyngeal neuralgia. Several medical and surgical alternatives hav...
Introduction Mild hypothermia has become an effective neuroprotective strategy following head trauma, cardiac arrest and neonatal asphyxia. However, cooling the whole body below 33-34°C can induce severe complications; therefore, selective brain cooling (SBC) could minimize adverse effects by maintaining core body temperature at normal values over an extended period of time. Recently, we develo...
Background: During CABG cardioplefic solution is used for cardiac arrest and myocardial protection but there is no defined safety interval time for cardioplegia infusion. Measuremen of the metabolite release from myocardial cells in coronary sinus implicateis accurate protective effect and safety interval of cardioplegia Materials and Methods: Thirteen patients that were scaduled for CABG cold ...
Repair of acute aortic dissection with destruction of the right coronary ostia and aortic valve regurgitation is described. The patient was a 54 year-old female with Marfan syndrome, who was admitted to our hospital for acute dissection with annulo aortic ectasia, accompanied by myocardial ischemia of the inferior wall. Retrograde dissection to the aortic annulus and destruction of the right co...
The clinical and electrocardiographic findings in five children with the sick sinus syndrome and an otherwise normal heart are described. There were three boys and two girls. Their age at onset of either bradycardia or symptoms ranged from 1 day to 7 years. In one patient, the youngest ever reported with this syndrome, bradycardia was noted before birth. Four children presented with neurologica...
Background: Cold crystalloid cardioplegic solution is used for cardiac arrest and myocardial protection during CABG intermittently. There is no defined safety interval time for cardioplegia infusion. Measuremen of the metabolite release from myocardial cells in coronary sinus implicateis accurate protective effect and safety interval of cardioplegia. There is no study that surveys the metabolit...
A 65-year-old man was admitted as for one month of repetitive dizziness and one episode of syncope. Electrocardiogram showed sinus bradycardia and his Holter monitoring also showed sinus bradycardia with sinus arrest, sino-atrial block and a longest pause of 4.3 s. Then sick sinus syndrome and Adam-Stokes syndrome were diagnosed. Then a dual chamber pacemaker (Medtronic SDR303) was implanted an...
OBJECTIVE Oxidative stress contributes to myocardial ischemia-reperfusion injury. We hypothesized that administration of the antioxidant N-acetylcysteine would have beneficial effects on myocardial function after cardiopulmonary bypass and cardioplegic arrest. METHODS Anesthetized dogs (n = 18) were instrumented with myocardial ultrasonic crystals and a left ventricular micromanometer. Systol...
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