Rumpel–Leede sign
Rumpel–Leede Sign
The Rumpel–Leede sign is a clinical finding that indicates capillary fragility and is often associated with thrombocytopenia or other conditions affecting platelet function. It is characterized by the appearance of petechiae distal to a site of constriction, such as a tourniquet or blood pressure cuff, after a period of time.
History[edit | edit source]
The sign is named after two physicians, Carl Stockbridge Rumpel and Carl Leede, who first described the phenomenon in the early 20th century. Their observations led to the understanding of the relationship between capillary fragility and platelet function.
Pathophysiology[edit | edit source]
The Rumpel–Leede sign occurs when capillaries rupture under increased venous pressure, which can be induced by applying a tourniquet or inflating a blood pressure cuff. This rupture results in the formation of petechiae, which are small, red or purple spots on the skin caused by minor bleeding from broken capillary blood vessels.
The presence of the Rumpel–Leede sign suggests an underlying issue with platelet function or number, such as:
Clinical Significance[edit | edit source]
The Rumpel–Leede sign is used as a diagnostic tool to assess capillary fragility and platelet function. It is particularly useful in settings where laboratory testing is not immediately available. However, it is not a definitive test and should be used in conjunction with other diagnostic methods.
Procedure[edit | edit source]
To elicit the Rumpel–Leede sign, a tourniquet or blood pressure cuff is applied to the upper arm and inflated to a pressure between the systolic and diastolic blood pressure for about 5 minutes. The appearance of petechiae distal to the cuff indicates a positive Rumpel–Leede sign.
Limitations[edit | edit source]
The Rumpel–Leede sign is not specific to any one condition and can be influenced by various factors, including the patient's skin type and the duration of pressure application. It should be interpreted in the context of the patient's overall clinical picture.
Also see[edit | edit source]
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Contributors: Prab R. Tumpati, MD
