Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Dysrhythmias V: Evaluating Dysrhythmias01:30

Dysrhythmias V: Evaluating Dysrhythmias

428
Dysrhythmias, also known as arrhythmias, are disturbances in the heart's rhythm that range from benign to life-threatening. A thorough evaluation is crucial for appropriate management and involves a comprehensive medical history, physical examination, and various diagnostic tests.Medical HistorySymptoms: Collect detailed information on palpitations, dizziness, syncope, chest pain, and fatigue. Note their onset, frequency, and triggers.Previous Cardiac Issues: Document any history of heart...
428
Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

493
Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
493
Heart Failure IV: Classification and Diagnostic Evaluation01:30

Heart Failure IV: Classification and Diagnostic Evaluation

886
Heart failure can be classified in various ways, with the most common classifications based on physical activity limitations, disease progression, severity, and treatment strategies.The Functional Classification of Heart Failure divides patients into four categories based on physical activity limitation due to symptom burden.Class I: Patients in this class have cardiac disease but no physical activity limitations. Ordinary activities like walking, climbing stairs, or routine tasks do not cause...
886
Diagnosing Acidosis and Alkalosis01:24

Diagnosing Acidosis and Alkalosis

1.6K
Diagnosing acid-base imbalances involves systematically analyzing arterial blood samples, focusing on three key measurements: pH, bicarbonate (HCO3−) concentration, and carbon dioxide partial pressure (PCO2). This analysis follows a four-step process that helps identify the imbalance's underlying cause and nature.
First, the pH level is assessed to determine whether the blood pH is normal (7.35–7.45), low (acidosis), or high (alkalosis).
Next, the PCO2  and...
1.6K
Seizures: Classification01:13

Seizures: Classification

2.5K
Epilepsy is primarily characterized by unpredictable seizures, either provoked by an identifiable factor, such as injury or illness, or unprovoked, occurring spontaneously without apparent cause.
Seizures are typically classified into two main categories: focal and generalized seizures.
Focal Seizures
Focal seizures originate from specific regions of the brain. These seizures are further sub-classified into two types:
2.5K
Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

586
Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
586

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Peak QRS/T ratio and the spatial ventricular gradient differentiate acute vs chronic left bundle branch block after transcatheter aortic valve replacement.

Heart rhythm O2·2026
Same author

AI Electrocardiogram as a Potential Surrogate for Septal Fibrosis-Reply.

JAMA cardiology·2026
Same author

AI-ECG classification for Brugada syndrome: A study of machine learning techniques to optimise for limited datasets.

PLOS digital health·2026
Same author

AI-ECG for predicting regurgitant valve disease-addressing implementation challenges.

European heart journal·2026
Same author

Ripple mapping demonstrates putative signals identifying the right inferior nodal extension to the lower nodal bundle during AVNRT.

Heart rhythm·2026
Same author

Larger spatial ventricular gradient magnitude is associated with higher rates of response to cardiac resynchronization therapy.

Heart rhythm O2·2025
Same journal

Urodynamics and what they reveal about autonomic innervation of the lower urinary tract: A narrative review.

Autonomic neuroscience : basic & clinical·2026
Same journal

Pelvic venous disorders and orthostatic intolerance: A systematic review of diagnostic associations and treatment outcomes.

Autonomic neuroscience : basic & clinical·2026
Same journal

Application of heart rate variability in clinical practice and research: A systematic review of recent years.

Autonomic neuroscience : basic & clinical·2026
Same journal

Spinal afferent endings in the gastrointestinal tract.

Autonomic neuroscience : basic & clinical·2026
Same journal

Gastric myoelectrical activity and autonomic dysfunction in children with IBD and IBS: An electrogastrographic and autonomic correlation study.

Autonomic neuroscience : basic & clinical·2026
Same journal

Acute isometric handgrip exercise enhances cardiac baroreflex sensitivity and lowers systolic blood pressure in chronic kidney disease.

Autonomic neuroscience : basic & clinical·2026
See all related articles

Related Experiment Video

Updated: Apr 28, 2026

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance
14:09

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance

Published on: March 21, 2013

20.7K

Diagnostic algorithm for syncope.

Roberto Mereu1, Arunashis Sau2, Phang Boon Lim3

  • 1Department of Internal Medicine, University of Pavia, Italy.

Autonomic Neuroscience : Basic & Clinical
|June 19, 2014
PubMed
Summary
This summary is machine-generated.

Syncope, a common cause of fainting, requires a diagnostic approach focused on initial evaluation and risk-stratification. Further investigation for high-risk patients helps determine the cause and guide management for better outcomes.

Keywords:
Diagnostic algorithmSyncope

More Related Videos

A Modified Sonographic Algorithm for Image Acquisition in Life-Threatening Emergencies in the Critically Ill Newborn
11:27

A Modified Sonographic Algorithm for Image Acquisition in Life-Threatening Emergencies in the Critically Ill Newborn

Published on: April 7, 2023

8.4K
A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis
18:11

A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis

Published on: December 28, 2012

23.8K

Related Experiment Videos

Last Updated: Apr 28, 2026

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance
14:09

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance

Published on: March 21, 2013

20.7K
A Modified Sonographic Algorithm for Image Acquisition in Life-Threatening Emergencies in the Critically Ill Newborn
11:27

A Modified Sonographic Algorithm for Image Acquisition in Life-Threatening Emergencies in the Critically Ill Newborn

Published on: April 7, 2023

8.4K
A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis
18:11

A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis

Published on: December 28, 2012

23.8K

Area of Science:

  • Cardiology
  • Neurology
  • Internal Medicine

Background:

  • Syncope is a prevalent symptom affecting diverse age groups, posing a significant healthcare challenge.
  • Understanding the various causes and diagnostic complexities of syncope is crucial for effective patient management.

Purpose of the Study:

  • To outline a diagnostic strategy for syncope, emphasizing initial evaluation and risk-stratification.
  • To guide further investigations and management based on patient risk assessment.

Main Methods:

  • Initial evaluation includes detailed clinical history, physical examination, and a 12-lead electrocardiogram.
  • Risk-stratification categorizes patients into high or low-risk groups for targeted investigations.
  • Consideration of acute emergency room causes and advanced monitoring like implantable loop recorders for persistent syncope.

Main Results:

  • A structured diagnostic algorithm aids in identifying potential causes of syncope.
  • Risk-stratification effectively guides the intensity and type of further investigations.
  • While a definitive diagnosis isn't always achieved, appropriate management ensures a benign prognosis.

Conclusions:

  • A systematic approach to syncope diagnosis, starting with initial evaluation and risk stratification, is essential.
  • Targeted investigations for high-risk individuals are critical to rule out serious cardiac or vascular conditions.
  • Effective syncope management focuses on risk assessment to ensure favorable patient outcomes.