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Transcranial Doppler (TCD) Ultrasonography

The Cutting Edge in Diagnosis and treatment of Stroke (Paralysis)


Stroke is a condition where the blood supply to a part of the human brain is either Interrupted or blood clots outside blood vessels due to hemorrhage.


Stands for Transcranial Doppler. It is a form of ultrasonography and is used in the diagnosis of Stroke along with the CT Scanner, MRI and MRA.

It is a test that meas-ures the velocity of blood flow through the brain`s blood vessels. It is used for the diagnosis of stroke, emboli, stenosis, vasospasm from a sub-arachnoid hemorrhage and bleeding from a ruptured aneurysm. This test is relatively quick and can be done at the patient’s bed-side unlike CT Scan & MRI, where the patient is taken to the imaging department.


TCD can be done at the bedside, is non-invasive and gives ‘real time’ (means instant) imaging of the blood vessels of the brain.

When done?

It is usually done to diagnose the following conditions:

  • Acute Stroke Diagnosis and therapeutics
  • Cerebral Emboli
  • Monitoring Vasospasm in Subarachnoid Hemorrhage
  • Sickle cell anemia
  • Diagnosis of PFO
  • Cerebral Circulatory Arrest
  • Cerebral Vasomotor reactivity
  • Intracranial Stenosis

Thrombolysis is a type of treatment given in stroke where clots in blood vessels are dis-solved by medicines. Use of ultrasound enhances the effect of thrombolysis. Hence thrombolysis is combined with TCD Ultrasonography to get better results in cases of stroke.

A preventive diagnostic test for blood vessels of Brain

Dr. Arvind Sharma

Postgraduate Institute of Medical Education and Research, (PGIMER) Chandigarh, India
MD(general medicine)
R.N.T Medical College & Associated Maharana Bhupal Govt Hospital, Udaipur (Rajasthan). India
Compulsory Rotatory Internship Training from 05.02.1998 to 04.02.1999 at R.N.T Medical College & Associated Maharana Bhupal Govt. Hospital, Udaipur (Rajasthan) India
R.N.T Medical College & Associated Maharana Bhupal Govt Hospital, Udaipur (Rajasthan). India
12th Standard
All India Senior School Certificate Examination, CBSE Board, from St. Paul’s Senior Secondary School, Udaipur, Rajasthan
  • Worked as Senior Resident Doctor in the department of Cardiology at Escorts Heart Institute and Research Centre, Okhla, New Delhi (8 Oct 2003 to 31 Aug 2005
  • Worked as Senior Resident Doctor in the department of Neurology at PGIMER Chandigarh (1 Jan 2006 to 31 Dec 2008)
  • Worked as Consultant Neurologist with Geetanjali Medical College and Hospital, Udaipur, Rajasthan, India (1 Jan 2009 to 30 Nov 2009)
  • Clinical fellow Stroke (University of Alberta), Canada from 1 Jan 2010 to 31 Dec 2010
  • Consultant Neurologist Shalby Hospitals, Ahmedabad from Feb 2011 to Aug 2014 (Three and Half Years)
Current Position
Senior Consultant Neurologist & Stroke Specialist Zydus Hospitals, Ahmedabad (From April 2015 to till date)
Neuro Training And Experience
Out Patient Clinics:

Three times a week in forenoon hours, with a wide variety of general neurology patients, mostly referred from other hospitals and general physicians over north India.

Inpatient Care:
  • Attendance on Grand consultant rounds.
  • Day to day management of Neurology inpatients under the direction of the appropriate Consultant(s).
  • Taking a senior role in the development and implementation of management plans from admission to discharge.
  • Notification to the appropriate Consultant of patients requiring acute admission to hospital under their care and notification of the Medical Admitting Officer.
  • Assessment of ward consultations requested by other departments and subsequent discussion with appropriate consultant.
  • Maintaining accurate, relevant and up-to-date patient documentation.
  • Regular review of patient progress and communication of any significant changes in the patient’s condition to the Consultant and nursing staff.