Tokuda Hospital Sofia


Computer Tomography

What is computed tomography? 

Computed tomography is an X-ray procedure that combines numerous X-ray images with the aid of a computer to then generate cross-sectional views and, if necessary, three-dimensional images of the internal organs and structures of the body. The radiation dose from the conducted procedure is evaluated and will not exceed the level which will cause harm.  Protective wear will be given to reduce the unnecessary radiation dose. 

Why is computed tomography being performed? 

Computed tomography is performed when other diagnostic imaging methods, such as conventional X-ray and ultrasound, are not sufficient for diagnosis. In the case of determining organ function, a contrast media is injected intravenously.  In emergency situations computed tomography is the method of choice due to its fast assessment of the entire body. 

How is computed tomography performed? 

Computed tomography is performed in a private room that is closed during the procedure. The bed on which the patient lays on will be moved into a tunnel. If communication with the staff is necessary at any point during the exam, it will be performed through a microphone. 
The examinating specialist will inform the patient on how to proceed during the exam, such as when to inhale and hold his or her breath, and when to exhale. Throughout the entire procedure the examining specialist will be present, and thus be able to assess the patient’s reaction, behind a glass separator connecting the control room to the examination room. If necessary, the patient has the ability to give a signal and thus, conclude the examination at any point during the procedure. 

The duration of the exam is from 2 to 10 minutes, and during that time the patient is instructed to stay still. Following the instructions 
during the examination is important as it contributes to quick and efficient testing. 

Some examinations may require an injection of contrast medium, and in those specific instances the patient will be informed in advance by the medical physician. At that time he or she will receive further information about the procedure. The introduction of contrast medium into the body is harmless and painless, however, due to the high injection pressure, the patient may feel a sense of warmth circulate throughout the entire body, which should not be alarming. 

Injection of contrast medium for diagnostic purposes. How it is conducted and what are the risks? 

The contrast used during a computed tomography exam most often consists of an iodine base. These preparations are well tolerated by patients, and allergic reactions are relatively uncommon. The most common allergic reactions are manifested as skin redness, swelling and nausea. These symptoms are transient and resolve without treatment. Rarely, more serious allergic reactions such as hives, swelling of the throat, and heart problems may occur. To prevent complications, the examination room is equipped with all necessary resuscitation equipment. 

Furthermore, the introduction of contrast medium is carried out through an automated injector under high pressure. This is sometimes associated with leakage of the medication under the skin in close proximity to the needle. This extremely rare complication requires compression of the leakage site for a few days. 

Informed Consent for Medical Imaging Examinations 

64-slice Computer Tomography


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Medical Imaging


Computer Tomography

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Hospital location

51B "Nikola I. Vaptsarov" blvd. (if you drive, the entrance is from "At. Dukov" str.), "Hladilnika" distr., 1407 "Lozenets".

The hospital has a parking lot. The first 30 min. are free of charge, then a fee of 3 bgn/hours applies.

Public transport:
Buses: №88, 120
Shuttle bus: 32

Subway: Getting off at "James Bourchier" station, after that walking through "Lozenets" distr., or tram №10, taking off at "Nikola I. Vaptsarov" stop. or a bus №88, taking ff at "Tokuda Hospital" stop.


From the Central Railway Station

Bus line №305 getting off at "Romanian embassy" stop
From "Romanian embassy" stop – Bus line №120 getting off at "Tokuda Hospital" stop.
(after the traffic lights at "Atanas Dukov" str.

With a subway, from "Central Railway Station" station, getting off at "James Bourchier" station, after that walking through "Lozenets" distr., or tram №10, taking off at "Nikola I. Vaptsarov" stop. or a bus №88, taking ff at "Tokuda Hospital" stop.