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What happens when you get an Allen test?

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The Allen test is a basic blood flow test that can be done in your doctor’s office. First, you squeeze your hand into a hard fist, which pushes blood out of your hand. Your doctor then presses on the arteries of your wrist to slow the flow of blood back into your hand. At this point, your hand will lose its normal color. When you open your hand, your doctor releases the pressure over the artery on one side of the wrist. Then he releases the artery on the other side. If takes a while for your hand to go back to its normal color, it may be a sign of Buerger’s disease.

SOURCES:

CDC: “Health Effects of Cigarette Smoking.”

CDC: “Smoking and Buerger’s Disease.”

Mayo Clinic: “Buerger’s Disease.”

The Johns Hopkins Vasculitis Center: “Buerger’s Disease.”

UC Davis Vascular Center: “Buerger’s Disease (Thromboangitis Obliterans).”

National Organization of Rare Disorders: “Buerger’s Disease.”

Vasculitis Foundation: “Buerger’s Disease.”

Penn Medicine: “Buerger’s Disease (Thromboangitis Obliterans).”

Reviewed by Louise Chang on September 09, 2018

SOURCES:

CDC: “Health Effects of Cigarette Smoking.”

CDC: “Smoking and Buerger’s Disease.”

Mayo Clinic: “Buerger’s Disease.”

The Johns Hopkins Vasculitis Center: “Buerger’s Disease.”

UC Davis Vascular Center: “Buerger’s Disease (Thromboangitis Obliterans).”

National Organization of Rare Disorders: “Buerger’s Disease.”

Vasculitis Foundation: “Buerger’s Disease.”

Penn Medicine: “Buerger’s Disease (Thromboangitis Obliterans).”

Reviewed by Louise Chang on September 09, 2018

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How can blood tests help in the diagnosis of Buerger’s disease?

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