What is a cerebral artery flow study (TCD)

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What is a cerebral artery flow study (TCD)

High-frequency sound wave examination of blood flow in the arteries beneath the brain in the skull to assess the quality of blood flow, measure the flow velocity, and view the direction and pattern of blood flow. It is often use to find abnormalities in cerebral blood vessels. Including monitoring or following up on small blood clot. That have dislodged into cerebral blood vessels in people at risk or patients with ischemic stroke from various causes. The TCD examination will quickly identify the location of the cerebral blood vessel blockage.

Who should have a cerebral carotid endarterectomy (TCD)?

People who should have a TCD include:

  • People who are at risk of developing a stroke
  • People with high blood pressure, high blood fat, or obesity 
  • People with diabetes are more likely to develop hardening of the arteries throughout the body. 
  • People who smoke heavily or drink alcohol regularly
  • People who do not exercise much
  • Patients with subarachnoid hemorrhage to monitor cerebral vasoconstriction.
  • People who have had an acute ischemic stroke and are receiving thrombolysis medication.
  • People with brain death due brain infection

Cerebral Artery Drainage Scan (TCD) Procedure 
The person undergoing the TCD will lie on their back on the bed with a pillow under their head. The doctor will apply a thin layer of gel to the temples, eyelids. Back head person being examine. Then, the probe will gently press area to examine. The probe will send a low-frequency sound wave of 2 MHz through the skull to the arteries in the brain. The sound wave will hit the red blood cells and reflect back into the หากคุณสนใจเล่นพนันออนไลน์ที่ดีที่สุด สามารถสมัครสมาชิก UFABET ได้ที่นี่ พร้อมรับโปรโมชั่นพิเศษสำหรับสมาชิกใหม่ computer system. Which will then process it into images and graphs. This is a safe, painless test. The test takes about 30-60 minutes. After the test, the person can do their daily activities as usual.

Preparation before undergoing cerebral blood flow scan (TCD)

  • You can undergo the examination without fasting or eating, and without taking any medications.