Portsmouth sign: Difference between revisions
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{{Infobox medical condition | |||
| name = Portsmouth sign | |||
| synonyms = | |||
| specialty = [[Cardiology]] | |||
| symptoms = [[Jugular venous distension]], [[pulsus paradoxus]] | |||
| complications = [[Cardiac tamponade]] | |||
| onset = | |||
| duration = | |||
| causes = [[Pericardial effusion]] | |||
| risks = | |||
| diagnosis = [[Physical examination]], [[echocardiography]] | |||
| differential = | |||
| treatment = [[Pericardiocentesis]], [[surgical intervention]] | |||
| medication = | |||
| prognosis = | |||
| frequency = | |||
}} | |||
'''Portsmouth sign''' is a clinical sign in medicine that indicates the presence of [[pneumothorax]], a condition where air or gas is present in the cavity between the lungs and the chest wall. The sign is named after the city of [[Portsmouth]], where it was first described. | '''Portsmouth sign''' is a clinical sign in medicine that indicates the presence of [[pneumothorax]], a condition where air or gas is present in the cavity between the lungs and the chest wall. The sign is named after the city of [[Portsmouth]], where it was first described. | ||
== Overview == | == Overview == | ||
The Portsmouth sign is a physical examination finding that is used to diagnose a pneumothorax. It is characterized by a decrease in the normal respiratory movement on the affected side of the chest. This is caused by the presence of air or gas in the pleural space, which prevents the lung from fully expanding during inhalation. | The Portsmouth sign is a physical examination finding that is used to diagnose a pneumothorax. It is characterized by a decrease in the normal respiratory movement on the affected side of the chest. This is caused by the presence of air or gas in the pleural space, which prevents the lung from fully expanding during inhalation. | ||
== Clinical significance == | == Clinical significance == | ||
The Portsmouth sign is a useful clinical tool for diagnosing a pneumothorax. It is particularly helpful in situations where imaging studies are not readily available. However, it is not a definitive diagnostic test and should be used in conjunction with other clinical findings and diagnostic tests. | The Portsmouth sign is a useful clinical tool for diagnosing a pneumothorax. It is particularly helpful in situations where imaging studies are not readily available. However, it is not a definitive diagnostic test and should be used in conjunction with other clinical findings and diagnostic tests. | ||
== Diagnosis == | == Diagnosis == | ||
The diagnosis of a pneumothorax is typically confirmed with imaging studies such as a chest X-ray or CT scan. However, the Portsmouth sign can provide an early indication of a pneumothorax in some patients. The sign is best observed when the patient is sitting upright and breathing deeply. The examiner should observe the patient's chest for asymmetrical movement, with decreased movement on the affected side indicating a possible pneumothorax. | The diagnosis of a pneumothorax is typically confirmed with imaging studies such as a chest X-ray or CT scan. However, the Portsmouth sign can provide an early indication of a pneumothorax in some patients. The sign is best observed when the patient is sitting upright and breathing deeply. The examiner should observe the patient's chest for asymmetrical movement, with decreased movement on the affected side indicating a possible pneumothorax. | ||
== Treatment == | == Treatment == | ||
The treatment for a pneumothorax depends on the severity of the condition. Small pneumothoraces may resolve on their own without treatment. Larger pneumothoraces may require the insertion of a chest tube to remove the air from the pleural space and allow the lung to re-expand. | The treatment for a pneumothorax depends on the severity of the condition. Small pneumothoraces may resolve on their own without treatment. Larger pneumothoraces may require the insertion of a chest tube to remove the air from the pleural space and allow the lung to re-expand. | ||
== See also == | == See also == | ||
* [[Pneumothorax]] | * [[Pneumothorax]] | ||
* [[Clinical sign]] | * [[Clinical sign]] | ||
* [[Chest tube]] | * [[Chest tube]] | ||
== References == | == References == | ||
<references /> | <references /> | ||
{{stub}} | {{stub}} | ||
[[Category:Medical signs]] | [[Category:Medical signs]] | ||
[[Category:Pneumothorax]] | [[Category:Pneumothorax]] | ||
[[Category:Respiratory system]] | [[Category:Respiratory system]] | ||
{{No image}} | {{No image}} | ||
Latest revision as of 02:33, 4 April 2025
| Portsmouth sign | |
|---|---|
| Synonyms | |
| Pronounce | N/A |
| Specialty | Cardiology |
| Symptoms | Jugular venous distension, pulsus paradoxus |
| Complications | Cardiac tamponade |
| Onset | |
| Duration | |
| Types | N/A |
| Causes | Pericardial effusion |
| Risks | |
| Diagnosis | Physical examination, echocardiography |
| Differential diagnosis | |
| Prevention | N/A |
| Treatment | Pericardiocentesis, surgical intervention |
| Medication | |
| Prognosis | |
| Frequency | |
| Deaths | N/A |
Portsmouth sign is a clinical sign in medicine that indicates the presence of pneumothorax, a condition where air or gas is present in the cavity between the lungs and the chest wall. The sign is named after the city of Portsmouth, where it was first described.
Overview[edit]
The Portsmouth sign is a physical examination finding that is used to diagnose a pneumothorax. It is characterized by a decrease in the normal respiratory movement on the affected side of the chest. This is caused by the presence of air or gas in the pleural space, which prevents the lung from fully expanding during inhalation.
Clinical significance[edit]
The Portsmouth sign is a useful clinical tool for diagnosing a pneumothorax. It is particularly helpful in situations where imaging studies are not readily available. However, it is not a definitive diagnostic test and should be used in conjunction with other clinical findings and diagnostic tests.
Diagnosis[edit]
The diagnosis of a pneumothorax is typically confirmed with imaging studies such as a chest X-ray or CT scan. However, the Portsmouth sign can provide an early indication of a pneumothorax in some patients. The sign is best observed when the patient is sitting upright and breathing deeply. The examiner should observe the patient's chest for asymmetrical movement, with decreased movement on the affected side indicating a possible pneumothorax.
Treatment[edit]
The treatment for a pneumothorax depends on the severity of the condition. Small pneumothoraces may resolve on their own without treatment. Larger pneumothoraces may require the insertion of a chest tube to remove the air from the pleural space and allow the lung to re-expand.
See also[edit]
References[edit]
<references />
