Bing's sign: Difference between revisions
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{{Infobox medical condition | |||
| name = Bing's sign | |||
| synonyms = | |||
| specialty = [[Neurology]] | |||
| symptoms = [[Extensor plantar response]] | |||
| causes = [[Upper motor neuron lesion]] | |||
| diagnosis = [[Neurological examination]] | |||
| differential = [[Babinski sign]], [[Chaddock's sign]], [[Oppenheim's sign]] | |||
| treatment = | |||
| prognosis = | |||
| frequency = | |||
}} | |||
``` | |||
This template provides a structured summary of Bing's sign, a neurological sign indicating an upper motor neuron lesion, characterized by an extensor plantar response. It is used in the field of neurology and is part of the differential diagnosis for other similar signs such as the Babinski sign, Chaddock's sign, and Oppenheim's sign. '''Bing's sign''' is a clinical sign that indicates the presence of a [[pleural effusion]] or [[pneumothorax]]. It is named after the German physician, [[Otto Bing]], who first described it. The sign is positive when there is a change in the percussion note at the lung base on full inspiration compared to expiration. | |||
== Description == | == Description == | ||
Bing's sign is a physical examination finding that is used to detect the presence of fluid or air in the pleural space. The sign is elicited by percussing the lower lung fields during full inspiration and then again during full expiration. If the percussion note changes from resonant or hyper-resonant (indicating air-filled lung) on inspiration to dull (indicating fluid or solid tissue) on expiration, the sign is positive. | Bing's sign is a physical examination finding that is used to detect the presence of fluid or air in the pleural space. The sign is elicited by percussing the lower lung fields during full inspiration and then again during full expiration. If the percussion note changes from resonant or hyper-resonant (indicating air-filled lung) on inspiration to dull (indicating fluid or solid tissue) on expiration, the sign is positive. | ||
== Clinical significance == | == Clinical significance == | ||
A positive Bing's sign is suggestive of a pleural effusion or pneumothorax. However, it is not specific for these conditions and can also be positive in other conditions that cause a change in the distribution of air and fluid in the lungs, such as [[lobar pneumonia]] or [[atelectasis]]. | A positive Bing's sign is suggestive of a pleural effusion or pneumothorax. However, it is not specific for these conditions and can also be positive in other conditions that cause a change in the distribution of air and fluid in the lungs, such as [[lobar pneumonia]] or [[atelectasis]]. | ||
== Limitations == | == Limitations == | ||
While Bing's sign can be a useful tool in the physical examination of patients with suspected pleural disease, it has several limitations. It requires a significant amount of fluid or air in the pleural space to be positive, and therefore may not detect small effusions or pneumothoraces. Additionally, the sign can be difficult to elicit in obese patients or those with thick chest walls. | While Bing's sign can be a useful tool in the physical examination of patients with suspected pleural disease, it has several limitations. It requires a significant amount of fluid or air in the pleural space to be positive, and therefore may not detect small effusions or pneumothoraces. Additionally, the sign can be difficult to elicit in obese patients or those with thick chest walls. | ||
== See also == | == See also == | ||
* [[Pleural effusion]] | * [[Pleural effusion]] | ||
* [[Pneumothorax]] | * [[Pneumothorax]] | ||
* [[Physical examination]] | * [[Physical examination]] | ||
* [[Otto Bing]] | * [[Otto Bing]] | ||
== References == | == References == | ||
<references /> | <references /> | ||
{{stub}} | {{stub}} | ||
[[Category:Medical signs]] | [[Category:Medical signs]] | ||
[[Category:Pulmonology]] | [[Category:Pulmonology]] | ||
[[Category:Medical terminology]] | [[Category:Medical terminology]] | ||
Latest revision as of 00:33, 4 April 2025
| Bing's sign | |
|---|---|
| Synonyms | |
| Pronounce | N/A |
| Specialty | Neurology |
| Symptoms | Extensor plantar response |
| Complications | N/A |
| Onset | N/A |
| Duration | N/A |
| Types | N/A |
| Causes | Upper motor neuron lesion |
| Risks | N/A |
| Diagnosis | Neurological examination |
| Differential diagnosis | Babinski sign, Chaddock's sign, Oppenheim's sign |
| Prevention | N/A |
| Treatment | |
| Medication | N/A |
| Prognosis | |
| Frequency | |
| Deaths | N/A |
```
This template provides a structured summary of Bing's sign, a neurological sign indicating an upper motor neuron lesion, characterized by an extensor plantar response. It is used in the field of neurology and is part of the differential diagnosis for other similar signs such as the Babinski sign, Chaddock's sign, and Oppenheim's sign. Bing's sign is a clinical sign that indicates the presence of a pleural effusion or pneumothorax. It is named after the German physician, Otto Bing, who first described it. The sign is positive when there is a change in the percussion note at the lung base on full inspiration compared to expiration.
Description[edit]
Bing's sign is a physical examination finding that is used to detect the presence of fluid or air in the pleural space. The sign is elicited by percussing the lower lung fields during full inspiration and then again during full expiration. If the percussion note changes from resonant or hyper-resonant (indicating air-filled lung) on inspiration to dull (indicating fluid or solid tissue) on expiration, the sign is positive.
Clinical significance[edit]
A positive Bing's sign is suggestive of a pleural effusion or pneumothorax. However, it is not specific for these conditions and can also be positive in other conditions that cause a change in the distribution of air and fluid in the lungs, such as lobar pneumonia or atelectasis.
Limitations[edit]
While Bing's sign can be a useful tool in the physical examination of patients with suspected pleural disease, it has several limitations. It requires a significant amount of fluid or air in the pleural space to be positive, and therefore may not detect small effusions or pneumothoraces. Additionally, the sign can be difficult to elicit in obese patients or those with thick chest walls.
See also[edit]
References[edit]
<references />
