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Measures blood acidity, carbon dioxide, and bicarbonate to check acid–base balance, oxygenation, and lactate levels.
Venous blood gas measures the acid-base balance in venous blood. It reports pH, carbon dioxide (pCO2), bicarbonate (HCO3-), and sometimes lactate and base excess. These numbers show whether the body is too acidic or too alkaline. Acid-base balance affects breathing, circulation, and organ function. The test helps detect respiratory problems, metabolic disorders, kidney failure, sepsis, and diabetic ketoacidosis. Doctors use it to assess breathing, guide treatments like oxygen or IV fluids, monitor critically ill patients, and check response to therapy. Venous samples are easier to take than arterial ones but need careful interpretation alongside other tests and clinical signs.
No special preparation is required.
The VENOUS BLOOD GAS test evaluates various parameters related to the different components. Here are the main parameters that are checked in the test:
VENOUS BLOOD GAS is part of blood gas analysis panels used in emergency and critical care. Doctors order it when patients have shortness of breath, rapid breathing, confusion, low blood pressure, or severe illness. It helps diagnose respiratory failure, metabolic acidosis, diabetic ketoacidosis, sepsis, and kidney problems. Abnormal results can come from lung disease, kidney failure, uncontrolled diabetes, toxins, or medicines. A family history of respiratory or metabolic disease may raise concern and prompt testing.
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Vijay Bisht was friendly, helpful, and made our home test process seamless. Grateful for his timely support and follow-up.
A big thank you to Shikhar from the Visit app for going above and beyond to arrange a last-minute appointment during an urgent situation. His seamless coordination truly made a difference.
Shikhar Singh's prompt and proactive support—despite ongoing delivery issues—completely changed my view of Visit's service. Truly commendable!
I connected with the concierge team today and spoke with Vijay—he was helpful and made a real effort to address my concerns.
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Huge thanks to Shikhar who handled our emergency situation with such care. He was always responsive, professional, and his dedication made a real difference.
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Thank you, Shared Gupta, for the great support with my reimbursement claims and Wipro health packages. Truly appreciated!
Huge thanks to Shikhar who handled our emergency situation with such care. He was always responsive, professional, and his dedication made a real difference.
The service was excellent—she was helpful, patient, and made my recovery smooth and stress-free. Her support made a real difference.

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