TROPONIN I

Requirements

Sample Required Serum
Preperations Required No specific preparation required
Gender Male & Female
Age Group 0 - 99 Years
Collection AtHome & Lab

₹ 1200

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TROPONIN I

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Overview

Troponin I is a cardiac biomarker used primarily to diagnose myocardial infarction (heart attack) and other forms of heart injury. It is a protein found in cardiac muscle, and its levels in the blood increase when heart muscle cells are damaged. Troponin I tests are sensitive and specific, making them valuable for assessing heart conditions. Elevated levels can indicate recent or ongoing cardiac damage, and results are typically interpreted alongside clinical symptoms and other diagnostic tests.

What is Troponin I Test ?

Troponin I is the only troponin isotope present in the myocardium and is not expressed during any developmental stage in skeletal muscle. Troponin I is released into the bloodstream within hours of the onset of symptoms of myocardial infarction or ischemic damage. It can be detected at 3 to 6 hours following onset of chest pain, with peak concentrations at 12 to 16 hours, and remains elevated for 5 to 9 days. A troponin value above the upper reference limit (99th percentile) value is not always indicative of myocardial infarction. Other conditions resulting in myocardial cell damage can contribute to elevated cardiac troponin I levels. These conditions include, but are not limited to, myocarditis, cardiac surgery, angina, unstable angina, congestive heart failure, and noncardiac-related causes, such as, renal failure and pulmonary embolism.

What is the Purpose of the Troponin I Test ?

Troponin Testing is most often used to determine whether a patient's symptoms are connected to a cardiac condition. Troponin is not normally present in the blood. Appearance of even minute levels of troponin in the blood may suggest some degree of myocardial damage. Troponin testing is often used to detect acute coronary syndrome, which describes several conditions that reduce blood flow to the heart, including:

Heart attack or myocardial infarction
Unstable angina

Troponin Testing is suggested for the assessment of individuals after heart-related surgery. In order to identify any damage or harm to the heart, troponin levels can be evaluated both before and after the procedure.

When is a Troponin I Test Recommended ?

Troponin I Test is advised if you are suffering from following symptoms:

Chest pain radiating to your arms, shoulders, neck, teeth, or jaw
Squeezing or heavy pressure on the chest
Sudden fatigue
Weakness
Heartburn
Nausea
Vomiting
Sweating
Shortness of breath
Feeling faint
Lightheadedness
Heart palpitations
Irregular heartbeat
Anxiety
Feelings of impending doom

Components of Troponin I Test

Troponin I: Troponin is a type of protein (A complex chemical molecule) that is present in certain muscle types in the body. Normally, it is present inside muscle cells and only a scanty amount of this protein circulates freely in your bloodstream. However, any damage to certain types of muscle cells can cause more troponin to enter into your blood. Troponin I is more specific to the heart.

Interpreting the Troponin I Test Results

The troponin test reference ranges are expressed in nanogram per milliliter, or ng/mL.

Troponin I: 0 - 0.04 ng/m

You might have suffered a heart injury if your Troponin I levels are above 0.04 ng/mL.

Preparation for Troponin I Test

Unless otherwise directed by your doctor, there is no need for you to make any special preparations before the Troponin I Test.
Other blood tests can be carried out in addition to this test. If your doctor advises you to have multiple tests at once, they may ask you to fast for a specific period of time prior to a blood test.
Drink adequate water before sample collection.
Follow the preparatory instructions as guided by your doctor.

How is the Troponin I Test Done ?

The Blood Sample for Troponin I Test is taken in following steps:

The area where the needle will be inserted to take your blood is cleaned with an antiseptic alcohol wipe. The hollow on the inside side of the elbow or the tip of the finger are the most common sites for this.
A tourniquet or a band is tied around your upper arm to facilitate the access to the vein in your arm.
A needle is used to puncture your vein. The blood sample is collected into a test tube attached to the needle. The needle may cause a small pinch or sting when it is inserted.
Once the vial or test tube is filled, the blood sample collection for the test is finished and the needle is taken out.
Finger pressure is applied on the puncture site to stop the bleeding and the band aid is applied at the site.