نتایج جستجو برای: syncope etiology
تعداد نتایج: 59343 فیلتر نتایج به سال:
Tilt testing is a commonly used diagnostic tool to evaluate syncope of undetermined etiology. We hereby describe a twelve year old male child who developed presyncope during provocative head up tilt testing along with ST segment elevation in cardiac monitor during presyncope. Patient underwent repeat head up tilt testing along with holter monitoring which showed a left bundle branch block escap...
BACKGROUND with increasing age, causes of syncope are more often of cardiac origin. Syncope in older persons is often mistaken for falls. Data regarding the association between specific cardiovascular conditions, falls and syncope are limited. METHODS cross-sectional analyses within a population sample aged 50+ (n = 8,173). Syncope and falls in the past year, cardiovascular conditions and co-...
A 53-year-old man, with no significant past medical history or family of sudden cardiac death (SCD), was admitted to the Emergency Department for transient loss consciousness (TLOC) and facial trauma. The TLOC occurred at rest, in an upright position, without prodromes and/or specific triggers. patient not taking any drugs substances that could have explained TLOC. At admission, body temperatur...
primary cardiac tumors are quite rare, especially in the pediatric age group, and their atypical presentations often prevent a timely diagnosis. most primary cardiac tumors in the pediatric age group are benign. fibromas are generally reported as the second most common primary cardiac tumors in the pediatric age group. these neoplasms are often intramural and involve the left ventricular free w...
BACKGROUND Acute pulmonary embolism (APE) is a potentially fatal disease with high mortality. Prior studies have shown an increased frequency of central localization of the clot, right ventricular dysfunction and elevated troponin in patients who present with syncope and APE. Existing evidence regarding mortality and length of hospital stay in these patients is unclear. METHODS We retrospecti...
Syncope and near-syncope are great diagnostic challenges in medicine. On the one hand, the symptom may result from a benign condition and pose little or no threat to health other than that related to falling. On the other hand, syncope or near-syncope can be the manifestation of a serious underlying condition that poses an imminent threat to life. Patients with a cardiac cause of syncope are at...
to determine breath- holding spells (bhs) prevalence and risk factors in under 6- year- old children, we interviewed mothers of 400 children in a cross- sectional study in 5 health centers at south of tehran in autumn 1999. 33 children (8.25%) had history of bhs (male: 19, female: 14 25 cases were between 2-4 years old (mean: 40±17 months). seventy percent of cases (23) had onset of attacks aft...
BACKGROUND The risk of syncope occurring while driving has obvious implications for personal and public safety. We aimed to define the clinical characteristics, causes, and prognosis of syncope while driving. METHODS AND RESULTS In this case-control study of consecutive patients evaluated for syncope from 1996 through 1998 at an academic medical center, we documented causes, clinical characte...
Syncope is a common problem that many clinicians may encounter in various outpatient settings. Neurally mediated syncopal syndrome includes carotid sinus syndrome, situational syncope, and neurocardiogenic syncope (also known as vasovagal syncope), which is the most common cause of syncope in both children and adults, accounting for 50-66% of unexplained syncope. 2 The distinction between neuro...
Entering a new millennium seems a good time to challenge some old ideas about cancer cause and prevention, which in our view This paper has been adapted in part from L.
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