HRCT Chest Contrast, in Chennai

Fasting and dietary instructions:

Overnight fast of 8 to 12 hours required. Eat your last meal the previous evening and fast until after the blood draw. Bring a light snack to eat immediately after collection.

Medication guidance:

Continue all regularly prescribed medication unless your doctor has specifically instructed otherwise. Inform lab staff about all prescription drugs, supplements, herbal preparations, and protein powders you are taking.

What to bring:

Bring your doctor's prescription or test requisition, a valid photo ID, and your corporate health insurance card if using cashless OPD. Wear short sleeves or clothing with sleeves that roll up easily.

Timing:

Book the earliest available morning slot. For fasting tests, an overnight fast followed by a morning draw represents the optimal balance between adequate fasting duration and test accuracy.

Single standalone test:

HRCT Chest Contrast. Can be ordered individually or as part of a preventive health package on GetVisit.

When does a doctor order HRCT Chest Contrast?

Doctors order HRCT Chest Contrast when a patient reports jaundice, dark urine, pale stools, persistent fatigue, nausea, or upper right abdominal pain. It is also routinely ordered before starting hepatotoxic medications (statins, anti-TB drugs, anticonvulsants) and periodically during their use.

Who should get HRCT Chest Contrast done in Chennai?

Hepatitis B prevalence in Tamil Nadu is estimated at around 3 to 4%. NAFLD is also rising rapidly among Chennai's large young professional population due to sedentary IT-sector jobs, high-carbohydrate diets, and rising obesity rates in areas like OMR and T Nagar. HRCT Chest Contrast is part of advanced lung imaging studies and preoperative evaluations. Doctors may order it for persistent cough, unexplained shortness of breath, abnormal chest X-ray findings, or to evaluate nodules, scarring, infections, tumors, or suspected blood clots. NAFLD affects an estimated 25 to 35% of India's urban adults , the majority unaware. Regular liver testing in Chennai's residential areas including OMR and Kodambakkam enables lifestyle intervention before irreversible scarring occurs. Patients recovering from hepatitis, those in alcohol recovery, and anyone with persistently unexplained fatigue also benefit from regular liver monitoring.

What conditions can HRCT Chest Contrast help diagnose?

Very high ALT and AST (10–50× normal) with normal ALP suggests acute hepatocellular injury , viral hepatitis, drug toxicity, or ischaemia. Predominantly elevated ALP and GGT with modest transaminases suggests bile duct obstruction or primary biliary cholangitis. An AST:ALT ratio above 2 suggests alcoholic hepatitis. Persistently low albumin with elevated bilirubin indicates advanced cirrhosis.

What do HRCT Chest Contrast results mean?

ALT above 56 U/L or AST above 40 U/L signals hepatocyte stress. The pattern matters: ALT greater than AST typically suggests NAFLD or viral hepatitis. An AST:ALT ratio above 2 points to alcoholic hepatitis. High ALP with normal transaminases suggests bile duct disease rather than liver cell damage. Low albumin alongside high bilirubin indicates serious loss of liver function.

How often should HRCT Chest Contrast be repeated?

Adults with no liver risk factors and a previously normal result: annually. Patients with NAFLD or treated hepatitis: every 6 months. Patients on hepatotoxic medication: baseline before starting, then at 1 month, 3 months, and every 6 months during treatment. Patients with active liver disease: at intervals specified by their gastroenterologist.

What happens after HRCT Chest Contrast results are ready?

Book a follow-up consultation after reviewing your results. GetVisit stores your reports alongside your previous test history, so your doctor sees your full health trend , not just today's snapshot. This longitudinal context significantly improves the clinical value of each repeat test.