Related Experiment Video
Updated: May 18, 2026

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance
Published on: March 21, 2013
Syncope: Approaches to Diagnosis and Management.
Chandrasekar Palaniswamy1, Wilbert S Aronow, Nikhil Agrawal
11Division of Cardiology, Department of Medicine, New York Medical College, Valhalla, NY 2Division of Cardiology, Department of Medicine, Robert Packer Hospital, Sayre, PA.
Syncope, a temporary loss of consciousness from reduced blood flow to the brain, has many causes. Diagnosis can be challenging, even with advanced tests, and treatment depends on the specific cause.
Area of Science:
- Cardiology
- Neurology
- Emergency Medicine
Background:
- Syncope is a transient loss of consciousness caused by cerebral hypoperfusion.
- Common etiologies include vasovagal syncope, orthostatic hypotension, cardiac lesions, and arrhythmias.
- Accurate diagnosis is crucial for appropriate management.
Purpose of the Study:
- To review the diagnostic approaches and challenges in evaluating patients presenting with syncope.
- To highlight the importance of history, physical examination, and risk stratification.
- To discuss the utility and limitations of various diagnostic tests.
Main Methods:
- Review of common causes of syncope.
- Emphasis on clinical evaluation including history and physical examination.
- Discussion of diagnostic modalities such as ECG, Holter monitoring, echocardiogram, and tilt table testing.
- Mention of risk prediction scores for emergency department admissions.
Main Results:
- A significant proportion of syncope cases remain undiagnosed despite extensive testing.
- Clinical assessment provides valuable clues to the underlying cause.
- Diagnostic tests have varying sensitivities and specificities for different syncope etiologies.
Conclusions:
- Syncope evaluation requires a comprehensive approach combining clinical assessment and targeted diagnostic testing.
- Tailoring therapy based on the identified cause is essential for effective management.
- Further research may improve diagnostic yield and patient outcomes.
Related Concept Videos
Dysrhythmias VII: Nursing Management of Dysrhythmias
Esophageal Varices-II: Clinical Features and Management
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol abuse, or...
Cardiomyopathy VI: Nursing Management
Dysrhythmias V: Evaluating Dysrhythmias
Dysrhythmias VI: Management of Dysrhythmias
Acute Coronary Syndrome V: Nursing Management

