The Widal test involves collecting a blood sample and testing it for antibodies against Salmonella typhi and related serotypes.

No, the Widal test specifically detects antibodies against Salmonella typhi and is not used to diagnose other infections.

Positive results indicate exposure to Salmonella typhi, suggesting current or past infection, while negative results indicate no significant antibody response.

Recent vaccination against typhoid fever or certain medications may interfere with the accuracy of Widal test results.

The Widal test provides supportive evidence for diagnosing typhoid fever but is often used in conjunction with clinical symptoms and other diagnostic tests for confirmation.

Bypass surgery, also known as Coronary Artery Bypass Grafting (CABG), is a procedure to replace damaged or blocked arteries in the heart with blood vessels from another part of the body.

Patients with severe coronary artery disease, where the arteries are significantly narrowed or blocked, may need bypass surgery to improve blood flow to the heart.

A surgeon takes a healthy blood vessel from your leg, arm, or chest and connects it to the blocked coronary artery, bypassing the blocked section to improve blood flow.

Risks include infection, bleeding, heart attack, stroke, and reactions to anaesthesia, though serious complications are rare.

The surgery typically lasts between 3 to 6 hours, depending on the number of arteries being bypassed and the patient’s condition.

The test measures the concentration of magnesium in the blood to assess overall magnesium status.

No, fasting is not typically required for this test.

Causes include poor dietary intake, gastrointestinal disorders, renal issues, and certain medications.

Yes, high levels can be harmful, often due to excessive supplementation or renal failure, and need medical evaluation.

A blood sample is taken from a vein, usually in the arm, and analyzed in a laboratory.