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Patient instruction sheet · Tests and general care

Preparing for your tests

Blood, urine, scans and heart tests at a glance

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For anyone coming to Caspian Healthcare or Caspian Diagnostic Centre for a test.

Drawing: Blood sample tubes, a urine sample cup, the clock, an empty plate for a fasting test, and the request slip.
Blood sample tubes, a urine sample cup, the clock, an empty plate for a fasting test, and the request slip.

Fill in, then print

Fill in what applies and press Print. There is no Submit button, because nothing is sent anywhere: the details only appear on the printed sheet. Leave a field empty to get a blank line for writing by hand.

Fasting needed

Nothing filled in yet. The sheet will print with blank lines.

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Blood tests

TestFood and drinkAlso remember
Fasting blood sugarNothing except plain water for 8 to 12 hours. An overnight fast is best.Take diabetes tablets and mealtime insulin only after the sample, with breakfast. Take long-acting insulin at its usual time. No tea, coffee, chewing gum, smoking or exercise during the fast.
Sugar after a mealEat your usual meal. The sample is taken exactly 2 hours after the first bite.Take your usual diabetes medicines with that meal. Nothing more to eat until the sample.
HbA1cNo fasting. Any time of day.
Thyroid testsNo fasting needed.If you take a thyroid tablet, give the sample before that day's tablet. Stop biotin (hair and nail vitamins) for 2 days before.
Cholesterol (lipid profile)Fasting is usually not essential. Fast 8 to 12 hours if your doctor wrote fasting, if it is done with a fasting sugar, or if your triglycerides are high.
Blood count, kidney, liver, vitamin D, B12No fasting needed.

Urine tests

TestHowAlso remember
Urine protein (ACR)The first urine of the morning is best.Not within 24 hours of hard exercise, and not during periods, fever or a urine infection.
Routine or cultureA midstream sample. See samples at home.
24-hour urineSee the 24-hour urine sheet.

Scans and other tests

TestBefore you comeAlso remember
FibroScan (liver)No food for 3 hours before. Water is allowed.Painless. Takes 5 to 10 minutes.
Body composition testNo heavy meal for 2 hours. No exercise just before. Empty your bladder.Light clothes, bare feet. Not done if you have a pacemaker or other implanted electronic device, or if you are pregnant.
Ultrasound of the abdomenNo food for 6 hours. Water is allowed, milk is not.If you have diabetes, ask for an early morning time.
Ultrasound of the pelvisDrink 1 litre of water, finishing about 1 hour before. Do not pass urine until the scan is done.
ECGNo preparation.No oil, lotion or powder on the chest. Wear a top that opens easily. Bring old ECGs.
2D echoEat and drink as usual.Takes 30 to 40 minutes.
EEGEat normally. Take your usual medicines unless told otherwise.Hair washed and dry, with no oil or gel. Takes 45 to 60 minutes.
Nerve conduction studyEat normally.No oil, cream or lotion on the arms and legs that day. Keep hands and feet warm. Tell the staff about a pacemaker or a blood thinner.
X-rayNo preparation.Tell the staff if you are or may be pregnant. Remove jewellery and clothes with metal.
SpirometrySee the spirometry sheet.

Bring with you

If you have diabetes and are asked to fast

Questions about this sheet? Call Caspian Healthcare reception on +91 89193 41154. A doctor is on duty at all hours for problems that are not critical. Caspian has no emergency department: in an emergency call 108.

Where this comes from

Prepared by Caspian Healthcare from the sources above. Last reviewed October 2026. General information: your own doctor's written instructions come first.