199 studies found for:    Syncope
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Rank Status Study
21 Withdrawn fMRI in Blood Phobia Syncope
Conditions: Syncope;   Blood Injury Phobia;   Autonomic Dysfunction
Intervention: Procedure: fMRI Scan
22 Recruiting Improving Syncope Risk Stratification in Older Adults
Condition: Syncope
23 Recruiting BAsel Syncope EvaLuation (BASEL IX) Study
Condition: Syncope
24 Completed ELIAS: Early Loop-Recorder in Suspected Arrhythmogenic Syncope
Condition: Syncope
Intervention: Device: Use of an Implantable Loop Recorder
25 Terminated International Study on Syncope of Uncertain Etiology
Condition: Syncope
26 Recruiting Mechanisms of Vasovagal Syncope
Conditions: Vasovagal Syncope;   Postural Tachycardia Syndrome
Interventions: Drug: Phenylephrine;   Drug: L-Ng-monomethyl Arginine (L-NMMA)
27 Unknown  Optimizing Diagnostics Of Syncope Events Using Intelligent Telemetric Solutions.
Conditions: Cardiac Arrhythmia;   Cardiogenic Syncope
Interventions: Device: repeated 24 hours ECG Holter monitoring;   Device: Telemetric ECG monitoring
28 Not yet recruiting Ambulatory Post-Syncope Arrhythmia Protection Feasibility Study
Condition: Syncope
Intervention: Device: Short Term Wearable Defibrillator
29 Completed Propranolol to Treat Fainting in Children With Sympathoadrenal Imbalance
Condition: Syncope
Intervention: Drug: Propranolol
30 Completed Monitoring of Syncopes and/or Sustained Palpitations of Suspected Arrhythmic Origin With External Loop-Recorder (SpiderFLASH)
Conditions: Syncope;   Palpitations
31 Unknown  Point-of-Care Ultrasound in the Emergency Department Evaluation of Syncope
Condition: Syncope
Intervention: Other: Point-of-Care Ultrasound
32 Completed Propranolol to Treat Fainting Due to Sympathoadrenal Imbalance
Condition: Neurocardiogenic Syncope
Intervention: Drug: Propranolol
33 Recruiting Efficacy of Transcatheter Ablation Using Anatomic Approach of Ganglionated Plexi Located in the Right Atrium to Prevent Neuromediated Cardioinhibitory Syncope
Condition: Neuromediated Cardioinhibitory Syncope
Intervention: Procedure: transcatheter ablation of ganglionated plexi in right atrium
34 Unknown  Effect of Dietary Salt Supplemantation in Vasovagal Syncope Prophylaxis: A Clinical Trial
Condition: Healthy
Intervention: Behavioral: Salt Supplementation
35 Completed The Effectiveness of Metoprolol in the Prevention of Syncope Recurrence in Children and Adolescents
Condition: Syncope, Vasovagal
Interventions: Drug: metoprolol;   Drug: conventional treatment
36 Unknown  Adenosine Testing to DEtermine the Need for Pacing Therapy
Condition: Syncope
Interventions: Device: Pacemaker implantation (Medtronic);   Device: Implantable Loop Recorder (Medtronic)
37 Suspended Exercise and Prevention of Syncope: EXPOSE
Condition: Syncope
Interventions: Behavioral: Exercise;   Device: Blood volume;   Procedure: VO2max test;   Procedure: Lower body negative pressure;   Behavioral: Heart Rate;   Procedure: Blood Pressure;   Behavioral: Total Peripheral Resistance
38 Terminated Effect of Chronic Oral Hydration in Patients With Recurrent Unexplained Syncope
Conditions: Hydration;   Loss of Consciousness;   Neurocardiogenic Syncope
Intervention: Procedure: Hydration
39 Completed Randomized Study of Midodrine, an Alpha Adrenergic Agonist, in Patients With Neurally Mediated Syncope
Condition: Syncope
Intervention: Drug: midodrine
40 Suspended Clinical and Laboratory Characteristics of Patients Admitted With Syncope; Diagnosis and Follow up After These Patients
Conditions: Diagnosis;   Recurrence

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Indicates status has not been verified in more than two years