Results 21 to 30 of about 14,997,547 (283)

Assessment of cardiac function in syncopal children without organic causes [PDF]

open access: yesClinical and Experimental Pediatrics, 2021
Background Syncope is a common problem in children and adolescents. However, a large proportion of syncope cases have no underlying cause. Purpose This study aimed to identify the factors affecting the severity of syncope using tissue Doppler imaging ...
Heoungjin Kim, Lucy Youngmin Eun
doaj   +1 more source

Venepuncture during head-up tilt testing in patients with suspected vasovagal syncope - implications for the test protocol. [PDF]

open access: yes, 2015
BACKGROUND AND PURPOSE Head-up tilt (HUT) testing is a widely used diagnostic tool in patients with suspected vasovagal syncope (VVS). However, no gold standard exists for this examination and the various protocols used have a limited sensitivity and ...
Z'Graggen, Werner Josef   +1 more
core   +1 more source

Head-up tilt test – a rationale for using in diagnosis of syncope

open access: yesHeart Vessels and Transplantation, 2020
Fainting and loss of consciousness (including syncope) are one of the most common causes of medical consultations. A detailed history is of particular importance in their diagnosis.
Adam Stanczyk
doaj   +1 more source

COMPARISON OF HEART RATE VARIABILITY IN NEGATIVE AND POSITIVE RESPONDERS TO ACTIVE PHASE OF HEAD-UP TILT TEST

open access: yesPakistan Armed Forces Medical Journal, 2018
Objective: To compare heart rate variability in negative and positive responders to active phase of head-up tilt test. Study Design:Cross-sectional comparative study.
Sara Naeem   +3 more
doaj   +4 more sources

Prolonged Asystole during Head-Up Tilt Test in a Patient with Malignant Neurocardiogenic Syncope

open access: yesJournal of Arrhythmia, 2008
A 27 year-old man was taken to our emergency room after collapsing during a conference. The patient had a history of syncope twice since age 15. A marked sinus bradycardia and asystole were induced causing the patient to collapse when tested to stand up ...
Takashi Tokano, MD   +6 more
doaj   +1 more source

Reproducibility of head‐up tilt test in patients with syncope

open access: yesClinical Cardiology, 1996
AbstractAs the head‐up tilt test (HUT) is employed to verify the efficacy of undertaking a treatment, we prospectively evaluated the reproducibility of positive and negative results, as well as that of the response type in 64 consecutive patients (mean age 34.6 ± 22.9 years) with syncope of unknown cause.
G A, Ruiz   +2 more
openaire   +2 more sources

ST elevation myocardial infarction during head-up tilt testing [PDF]

open access: yes, 2020
We report a case of ST elevation myocardial infarction (STEMI) during head-up tilt testing (HUTT). A 54-year-old man was admitted to our emergency department after four episodes of syncope.
Zimerman, Leandro Ioschpe   +7 more
core   +4 more sources

AGE AND GENDER RELATED OUTCOMES IN PATIENTS UNDERGOING HEAD UP TILT TEST FOR VASOVAGAL SYNCOPE

open access: yesPakistan Armed Forces Medical Journal, 2021
Objective: To evaluate different types of vasovagal syncope among the study group and assess the various outcomes in relation to age and gender in patients. Study Design: Cross sectional study.
Muhammad Asad   +8 more
doaj   +2 more sources

Application of Head-up Tilt Table Testing in Children

open access: yesJournal of the Formosan Medical Association, 2010
We investigated the application of head-up tilt table testing (HUT) and management of neurocardiogenic syncope (NCS) in children, as pediatric studies are limited.Seventy-nine patients (ages 6-18 years) underwent HUT for evaluation of syncope. Patient triggers and premonitory symptoms allowed the clinical diagnosis of NCS or non-NCS.
Wei-Ting Lai   +3 more
openaire   +3 more sources

Entropy in Investigation of Vasovagal Syndrome in Passive Head Up Tilt Test

open access: yesEntropy, 2017
This paper presents an application of Approximate Entropy (ApEn) and Sample Entropy (SampEn) in the analysis of heart rhythm, blood pressure and stroke volume for the diagnosis of vasovagal syndrome.
Katarzyna Buszko   +3 more
doaj   +1 more source

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