Related Experiment Video
Updated: Sep 24, 2025
05:32
Author Spotlight: Assessing Ischemic Stroke Damage Through Middle Cerebral Artery Occlusion Model
Published on: August 11, 2023
2.2K
[Transient loss of consciousness]
J Gert van Dijk1,2, Mark P M Harms3, Frederik J de Lange4
1LUMC, afd. Neurologie, Leiden.
Nederlands Tijdschrift Voor Geneeskunde
|May 2, 2022
Summary
Transient loss of consciousness (TLOC) diagnosis is often missed or incorrect in hospitals, leading to unnecessary admissions. Improving recognition of vasovagal syncope and cardiac syncope is crucial for accurate TLOC patient care.
Area of Science:
- Medical Diagnostics
- Cardiology
- Neurology
Background:
- Transient loss of consciousness (TLOC) presents diagnostic challenges in hospital settings.
- High rates of misdiagnosis and unnecessary investigations are common for TLOC patients.
- Increasing medical specialization contributes to diagnostic gaps, particularly for vasovagal syncope.
Purpose of the Study:
- To address the diagnostic challenges in transient loss of consciousness (TLOC).
- To highlight the importance of recognizing vasovagal syncope and cardiac syncope.
- To provide practical guidance for TLOC diagnosis and treatment.
Main Methods:
- Review of clinical presentations of vasovagal syncope and cardiac syncope.
- Identification of alarm symptoms for life-threatening cardiac syncope.
- Discussion of frequently asked questions regarding TLOC diagnosis and management.
Main Results:
- Vasovagal syncope is often overlooked due to a lack of specialty ownership.
- Distinguishing between benign vasovagal syncope and dangerous cardiac syncope is critical.
- Practical pointers are provided for recognizing different syncope types.
Conclusions:
- Enhanced familiarity with syncope presentations is needed for all physicians managing TLOC.
- Accurate diagnosis of TLOC can reduce unnecessary hospital admissions and tests.
- Improved diagnostic strategies are essential for effective TLOC patient management.
Related Concept Videos
01:13Amnesia
205
Amnesia is a condition marked by long-term memory loss, which impairs the ability to recall past events or create new memories.
The severity and duration of memory loss vary depending on the type and underlying cause. Amnesia is classified into two main types: retrograde and anterograde.
Retrograde amnesia is marked by the loss of memories formed before the onset of the condition. Patients may recall distant past events but often forget those occurring shortly before the incident.
Anterograde...
The severity and duration of memory loss vary depending on the type and underlying cause. Amnesia is classified into two main types: retrograde and anterograde.
Retrograde amnesia is marked by the loss of memories formed before the onset of the condition. Patients may recall distant past events but often forget those occurring shortly before the incident.
Anterograde...
205
01:15Subconsciousness and No Awareness
387
The concept of subconscious awareness refers to the processing of information below the level of conscious thought, which significantly influences both behaviors and decisions. It is also known as waking subconscious awareness. This complex level of cognition operates without the direct awareness of the individual, facilitating rapid and simultaneous handling of multiple information streams.
An illustrative example of subconscious processing is its role in problem-solving. Often, individuals...
An illustrative example of subconscious processing is its role in problem-solving. Often, individuals...
387
01:07Narcolepsy
209
Narcolepsy is a chronic sleep disorder characterized by pervasive, uncontrolled sleepiness and other sleep disturbances. One of its hallmark symptoms is an abrupt transition to REM sleep upon falling asleep, which causes symptoms typically associated with this phase to occur unexpectedly during wakefulness. These include the following symptoms, which typically last from a minute or two to half an hour.
209
01:21Dissociative Amnesia
192
Dissociative amnesia is a complex psychological condition that manifests as an inability to recall personal information, often tied to traumatic or stressful events. Unlike general amnesia, individuals with this condition retain the ability to perform routine activities and procedural tasks, such as operating a phone or navigating public transportation, yet experience profound gaps in autobiographical memory. These lapses may encompass significant life events, such as suicide attempts or...
192
01:13Seizures: Classification
629
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:
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:
629
01:27Dissociative Disorders
189
Dissociative disorders represent complex psychological conditions characterized by disruptions in consciousness, memory, identity, or perception. These disruptions cause individuals to experience a disconnection from their thoughts, emotions, and memories. The phenomenon is not merely an occasional lapse in attention but a profound alteration in mental functioning that can severely impact daily life.
Dissociative Fugue
A hallmark feature of dissociative disorders is the dissociative fugue...
Dissociative Fugue
A hallmark feature of dissociative disorders is the dissociative fugue...
189