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Insulin – Fasting

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Overview

Diabetes is a chronic, slow-progressing debilitating condition. One of the tests that are performed to monitor blood sugar levels in this condition is the Insulin-Fasting test.

What is Insulin-Fasting test?

The Insulin-Fasting test is generally suggested when there two or more tests to show low blood sugar levels:

  • It is suggested in people suffering from conditions like PCOS, Type-2 diabetes, heart diseases, or prediabetes.
  • A periodic Insulin-Fasting test may be recommended in some people.

An Insulin-Fasting test is often performed along with a Glucose-Fasting test.

Why is an Insulin-Fasting test suggested?

The Insulin-Fasting test is performed to detect insulin levels in the blood in order to

  • Detect tumors in the Islets of Langerhans in the pancreas.
  • Determine the cause of low blood sugar levels.
  • Determine insulin resistance.

How is an Insulin-Fasting test performed?

An Insulin-Fasting test is performed in the following steps:

  • The area on the forearm for the prick is cleaned with an antiseptic.
  • A tight elastic band [tourniquet] is tied above the area of the intended puncture.
  • Blood is collected from a vein using a needle and syringe.

The collected blood is then sent for an Insulin-Fasting test.

What are the parameters measured in an Insulin-Fasting test?

The Insulin-Fasting test measures the following parameters:

  • High insulin levels indicate insulin resistance.
  • Low levels indicate insufficient beta cells producing insulin.
  • Normal or high levels indicate hypoglycemia.

Preparation before performing an Insulin-Fasting test

For an Insulin-Fasting blood test, the patient has to arrive for the test after fasting for a minimum of 8 hours.

Post-care after an Insulin-Fasting test

Post-care measures after an Insulin-Fasting test include:

  • Eating food after fasting.
  • Referring to the physician along with the reports.

Sample types in an Insulin-Fasting test

The Insulin-Fasting test is performed using a blood sample.

Side effects/risks of an Insulin-Fasting test

There are no side-effects/risks of an Insulin-Fasting test. However, fainting, dizziness, and pain may occur in the area of the prick. Excessive bleeding may also occur.

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