KCNQ1 Gene Long QT Syndrome Type 1 NGS Genetic DNA Test
Understanding Long QT Syndrome Type 1
Long QT Syndrome Type 1 is a serious inherited cardiac condition characterized by abnormal electrical activity in the heart that can lead to dangerous arrhythmias and sudden cardiac death. The KCNQ1 gene plays a crucial role in regulating the heart’s electrical system by encoding proteins that control potassium ion channels. When mutations occur in this gene, it disrupts the normal flow of potassium ions during cardiac repolarization, prolonging the QT interval on electrocardiograms and creating vulnerability to life-threatening ventricular tachyarrhythmias.
What This Test Detects
The KCNQ1 Gene Long QT Syndrome Type 1 NGS Genetic DNA Test utilizes cutting-edge next-generation sequencing technology to comprehensively analyze the entire KCNQ1 gene for pathogenic variants. This advanced testing approach identifies:
- Point mutations affecting potassium channel function
- Insertions and deletions disrupting gene structure
- Splice site variants altering protein production
- Novel genetic changes with clinical significance
- Inheritance patterns within affected families
Clinical Indications and Who Should Consider Testing
This genetic test is recommended for individuals presenting with:
- Unexplained syncope or fainting episodes, especially during exercise or emotional stress
- Family history of sudden cardiac death or Long QT Syndrome
- Prolonged QT interval on electrocardiogram (ECG)
- Torsades de Pointes or other ventricular arrhythmias
- Infants or children with unexplained cardiac events
- Individuals considering competitive athletic participation with family cardiac history
- Patients with medication-induced QT prolongation concerns
Benefits of KCNQ1 Genetic Testing
Early detection through genetic testing provides numerous advantages for patients and families:
- Proactive Risk Management: Identifies at-risk individuals before symptom onset
- Personalized Treatment Planning: Enables targeted beta-blocker therapy and lifestyle modifications
- Family Screening: Facilitates cascade testing of relatives for early intervention
- Reproductive Planning: Provides information for family planning decisions
- Sports Participation Guidance: Helps determine safe activity levels and restrictions
- Medication Safety: Identifies susceptibility to drug-induced arrhythmias
Understanding Your Test Results
Our comprehensive genetic counseling services help you interpret your results effectively:
- Positive Result: Indicates a pathogenic variant in the KCNQ1 gene, confirming Long QT Syndrome Type 1 diagnosis and enabling appropriate medical management
- Negative Result: Suggests no detectable mutation in the KCNQ1 gene, though clinical evaluation remains important
- Variant of Uncertain Significance: Identifies genetic changes requiring further clinical correlation and family studies
- Carrier Status: Determines inheritance patterns for family planning considerations
Test Information and Pricing
| Test Component | Details |
|---|---|
| Test Name | KCNQ1 Gene Long QT Syndrome Type 1 NGS Genetic DNA Test |
| Discount Price | $500 USD |
| Regular Price | $700 USD |
| Turnaround Time | 3 to 4 Weeks |
| Sample Type | Blood, Extracted DNA, or One Drop Blood on FTA Card |
| Testing Method | Next-Generation Sequencing (NGS) Technology |
Pre-Test Requirements
To ensure accurate testing and comprehensive care, we require:
- Complete clinical history of the patient
- Genetic counseling session to create detailed family pedigree
- Documentation of cardiac symptoms and family cardiac history
- Recent electrocardiogram results when available
Nationwide Accessibility
We proudly serve patients across the United States with convenient testing locations in all major metropolitan areas including New York, Los Angeles, Chicago, Houston, Phoenix, Philadelphia, San Antonio, San Diego, Dallas, and San Jose. Our network of certified genetic counselors and cardiovascular specialists ensures comprehensive care regardless of your location.
Take Control of Your Cardiac Health Today
Don’t wait for symptoms to manifest. Early genetic testing for Long QT Syndrome Type 1 can provide life-saving information for you and your family. Our experienced team of genetic specialists and cardiologists are ready to guide you through the testing process and help you understand your results.
Call us now at +1(267) 388-9828 to schedule your genetic counseling session and book your KCNQ1 Gene Long QT Syndrome Type 1 NGS Genetic DNA Test. Take the first step toward proactive cardiac care and peace of mind for your entire family.

