Cardiac Channelopathy Gene Panel Test
About Cardiac Channelopathy Gene Panel Test
| Field | Value |
|---|---|
| Also Known As | Cardiac Channelopathy NGS Panel, Inherited Arrhythmia Gene Panel, Ion Channel Gene Panel, Cardiac Ion Channelopathy Panel |
| Sample Type | Chorionic Villus (CVS), Amniotic Fluid, or Peripheral Blood (EDTA tube) |
| Fasting Required | No |
| Report Time | 35 days |
| Recommended For | All genders; any age with suspected inherited cardiac arrhythmia or a family history of sudden cardiac death |
| Price | Starting at ₹21,600 |
What is a Cardiac Channelopathy Gene Panel Test?
The cardiac channelopathy gene panel test is a specialised genetic test that looks for changes (mutations) in genes responsible for controlling electrical signals in the heart. These genes produce proteins called ion channels, which regulate the flow of electrically charged particles in and out of heart muscle cells. When these genes carry mutations, the heart's electrical activity becomes unstable, potentially causing abnormal heart rhythms.
This test is also known as the Cardiac Channelopathy NGS Panel or the Inherited Arrhythmia Gene Panel. It uses next-generation sequencing (NGS), a method that reads multiple genes simultaneously at high speed and accuracy. Samples tested may include chorionic villus (CVS) tissue, amniotic fluid, or peripheral blood.
What Does a Cardiac Channelopathy Gene Panel Test Measure?
The test analyses mutations across a panel of 30 to 50 or more genes linked to inherited heart rhythm disorders. The table below lists the key genes examined.
| Gene | What it Does |
|---|---|
| SCN5A | Encodes sodium channels in heart muscle cells; controls the start of each heartbeat and overall heart rhythm |
| KCNQ1 | Encodes potassium channels; helps recharge the heart muscle after each beat to maintain a regular rhythm |
| KCNH2 | Encodes potassium channels that transport potassium ions out of cells; involved in cardiac recharging |
| RYR2 | Controls calcium release within heart cells; mutations are linked to abnormal rhythms during exercise or stress |
| KCNE1, KCNE2 | Encode proteins that interact with potassium channels to regulate their function |
Why is a Cardiac Channelopathy Gene Panel Test Done?
A doctor may order this test when a patient shows signs of an inherited heart rhythm disorder or has a relevant family history. The following information outlines the key reasons.
Common Symptoms That May Require This Test
Several symptoms may prompt a doctor to recommend the cardiac channelopathy gene panel test:
- Unexplained fainting (syncope), particularly during exercise or in response to sudden sounds or emotional stress
- Palpitations (a feeling of rapid, fluttering, or irregular heartbeat)
- Dizziness or light-headedness without a clear cause
- Seizure-like episodes that are not explained by a neurological condition
- Unexplained chest discomfort or a sensation of the heart skipping beats
- A personal history of aborted sudden cardiac arrest
- A family history of sudden unexplained death, especially in young or apparently healthy relatives
Conditions This Test Can Help Detect
The test can help identify several inherited heart rhythm conditions, including:
- Long QT Syndrome (LQTS): A condition affecting the heart's electrical recharging phase, estimated to affect 1 in 2,500 people
- Short QT Syndrome (SQTS): Characterised by an abnormally brief electrical recovery period and risk of atrial fibrillation
- Brugada Syndrome (BrS): An inherited disorder that causes fast, dangerous heart rhythms, primarily during rest or sleep
- Catecholaminergic Polymorphic Ventricular Tachycardia (CPVT): A rare condition triggering abnormal rhythms during physical activity or emotional stress
- Familial atrial fibrillation and arrhythmogenic right ventricular dysplasia
How to Prepare and What to Expect
Preparation for this test is straightforward, but the specialised nature of the procedure means a centre visit is required.
Do You Need to Fast?
No fasting is required before this test. Genetic testing looks for inherited changes in your genes that were present from birth. Food and drink do not affect these results in any way.
Practical Tips Before Your Test
A few steps will help ensure the process runs smoothly:
- Bring a detailed clinical history, including your symptoms, previous test results, and family history, as this is required for the test
- Note any family members who have experienced sudden cardiac death, fainting episodes, or diagnosed arrhythmia conditions
- Carry a list of all current medications and supplements
- Genetic counselling before the test is strongly advisable to help you understand what the results may mean for you and your family
- Inform the team about any prior genetic testing you have undergone
Step-by-Step Procedure
This test requires multiple sample types depending on your situation. Sample collection covers the following:
Chorionic Villus (CVS) Sample:
- A trained clinician collects approximately 30 mg of chorionic villus tissue using a standard CVS procedure.
- The sample is placed in a sterile container and stored at 2 to 8 degrees Celsius.
- The sealed sample is transported to the laboratory under refrigerated conditions.
Amniotic Fluid Sample:
- A clinician collects 20 ml of amniotic fluid using a standard amniocentesis procedure.
- The fluid is transferred into a designated Falcon tube and stored appropriately.
- The sample is dispatched to the laboratory under proper handling conditions.
Peripheral Blood Sample:
- A trained phlebotomist cleans the collection site on your arm with an antiseptic.
- A small blood sample of 3 ml is drawn into an EDTA tube (an anticoagulant that preserves the sample).
- The labelled tube is stored and transported at the correct temperature to the genetics laboratory.
- At the lab, DNA is extracted and analysed across the full gene panel using NGS technology.
- Results are prepared and reviewed by a qualified specialist before being issued, typically within 35 days.
Factors That Can Affect Accuracy
The following factors may influence the quality or reliability of results:
- Poor sample quality or improper storage and transport conditions
- Insufficient DNA yield from the collected sample
- Variants of uncertain significance that require additional clinical interpretation
- Genes not yet linked to channelopathies that remain outside the scope of current panels
- Depth of gene sequencing coverage at the laboratory
Understanding Your Cardiac Channelopathy Gene Panel Test Results
Results from this test are not reported as normal or abnormal numbers. Instead, any identified genetic variants are classified according to established guidelines. Always review your results with a qualified doctor and a genetic counsellor.
| Classification | Meaning |
|---|---|
| Pathogenic | Variant is known to cause disease |
| Likely Pathogenic | Variant is very likely disease-causing based on current evidence |
| Variant of Uncertain Significance (VUS) | Insufficient evidence to classify as benign or disease-causing |
| Likely Benign | Variant is very unlikely to cause disease |
| Benign | Variant does not cause disease |
A negative result (no pathogenic variant found) does not completely rule out an inherited cardiac condition, since causative genes remain unidentified in approximately one-third of clinically diagnosed channelopathy patients.
Disclaimer: These ranges are general guidelines. Your doctor will interpret your results based on your age, health history, and other factors. Always consult a qualified healthcare professional for personalised medical advice.
How to Maintain Healthy Levels
While genetic results themselves do not change, the following steps support your overall cardiac wellbeing:
- Follow your cardiologist's guidance on lifestyle modifications and activity restrictions if a pathogenic variant is identified
- Keep up with regular cardiac monitoring as advised, since conditions such as LQTS, Brugada syndrome, and CPVT carry a risk of serious arrhythmias
- Inform close family members of the findings so they can discuss targeted (cascade) genetic testing with their own doctors
Lupin Diagnostics Cardiac Channelopathy Gene Panel Test Price
The cardiac channelopathy gene panel test cost at Lupin Diagnostics starts at ₹21,600. Due to the specialised nature of the sample collection and processing involved, this test requires a visit to a Lupin Diagnostics centre. Home collection is not available for this test.
| City | Approximate Price (₹) |
|---|---|
| BHOPAL | 21600 |
| CHENNAI | 21600 |
| HYDERABAD | 21600 |
| KOLKATA | 21600 |
| NAVI MUMBAI | 21600 |
| PUNE | 21600 |
Disclaimer: Prices are indicative and may vary by location. Please confirm the current price at the time of booking.
How to Book
Booking the cardiac channelopathy gene panel test online at Lupin Diagnostics is straightforward:
- Select the test on the Lupin Diagnostics website.
- Choose your city and preferred centre location.
- Visit the centre at your scheduled time for sample collection.
- Receive your report via email or WhatsApp within the stipulated turnaround time.
Frequently Asked Questions
It is a genetic test that looks for mutations in genes responsible for producing ion channels in heart muscle cells. These channels control the electrical signals that keep the heart beating in a regular rhythm. When these genes carry mutations, abnormal heart rhythms can occur.
This test is suitable for anyone with unexplained fainting, palpitations, a personal history of aborted cardiac arrest, or a family history of sudden unexplained death. Your cardiologist or genetic counsellor is best placed to advise whether the cardiac channelopathy gene panel test is appropriate for you.
Results are typically available within 35 days. The turnaround time reflects the complex analysis involved in sequencing a large number of genes using NGS technology.
Not necessarily. Around one-third of patients with a clinically confirmed channelopathy do not have an identified causative genetic mutation. A clinical assessment by your cardiologist remains essential alongside genetic testing.
No. The cardiac channelopathy gene panel test procedure requires specialised sample collection and strict handling conditions. Sample types include chorionic villus tissue, amniotic fluid, and peripheral blood. All must be collected at a certified centre by trained clinical staff.
Yes, if a disease-causing mutation is identified, targeted genetic testing is recommended for close family members. This is called cascade testing and allows relatives to find out whether they carry the same mutation, enabling earlier monitoring and care.
Yes. Clinical history is a required part of the cardiac channelopathy gene panel test. Details about your symptoms, previous cardiac investigations, ECG findings, and family history help the laboratory and reporting specialist interpret genetic variants accurately within the context of your individual case.
Cardiac Channelopathy Gene Panel Test
