HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
HealthTap
Telehealth
A member asked:

I had infusion of procainamide for brugada drug challenge. negative for brugada. it did cause a prolonged qt interval (baseline- 435) after procainamide - 485 normal response ? i have been feeling sick since (3 days ago.) drug induced lupus ?

A doctor has provided 1 answer
Dr. Mark Owolabi answered

Specializes in Family Medicine

Questions about your QT interval should go to the cardiologist working with you. Without knowing the details of your sickness, it is impossible to say what is going on. Please consider an evaluation in person to get to the bottom of this.

Answered 10/5/2022

0 views

Thank

Related Questions

A member asked:

I have Lupus and am four months post 3 rounds of Cytoxan infusions. Blood counts were rising, but now are below normal? What could cause this?

2 doctors weighed in across 2 answers

A member asked:

Got startled awake by loud laughing, wasn't asleep for maybe 5 minutes. I've heard arrythmias can cause this. Long qt, brugada? I'm scared to sleep.

A doctor has provided 1 answer

A member asked:

Is bisacodyl safe for heart patients ? I read it can cause faintness. Long QT syndrome and brugada syndrome safe?

A doctor has provided 1 answer

A member asked:

Had 4th remicade (infliximab) infusion yesterday for uc. Developed severe leg ache and 99.6 deg fever. Any advice what to do? Can it be remicade (infliximab) induced lupus?

3 doctors weighed in across 2 answers

A member asked:

Last labs showed high iron saturation at 55%, normal total iron, and normal iron binding capacity. Low wbc. Should I be concerned about these? Currently on plaquenil, sulfasalazine, and Remicade (infliximab) infusions for Lupus/RA.

A doctor has provided 1 answer

Sponsored Content
HealthTap Medical Group does not endorse products or services. Sponsored content revenues support our mission to make health information free and accessible to all.Learn more

People also searched for:

Had procainamide challenge to rule out Brugada syndrome (history of Vtach, family history of SCA) negative for brugada but during the challenge, QT interval prolonged to 485 ms from baseline of 435 ms. Significant ? Could this be genetic long QT?
What are the risks of a "Procainamide challenge" to diagnose Brugada Syndrome? My EP recommended this test to rule out Brugada.
Procainamide challenge for diagnoses of BRUGADA syndrome. What are possible side effects? I've head that procainamide can lead to death?
How to diagnose procainamide induced systemic lupus.?
Just had 2 ekgs, both were normal. But I know brugada and long qt can be missed. I'm real worried I got it due to feeling weak, easily stsrtled, etc.

Telemedicine

Primary Care
Manage Your Conditions
Women's Health
Children's Health
Men's Health
Senior Health
Wellness, Prevention & Lifestyle
Sexual Health
Mental & Behavioral Health
Travel Medicine
Urgent Care
Ask your question
Didn't find what you're looking for?

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.

Ask your question

More of what we treat

Allergies
Antibiotics
Asthma
High Blood Pressure
Prescriptions
Type 2 Diabetes
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.
HealthTap
HIPAA logo
HIPAASecure
Soc 2 Type 2 logo
SOC 2 Type 2Certified
JCAHO Accredited
JCAHOAccredited
Member App

Download HealthTap

Video visit and message your doctor

Member App QR Code
Play Store Member LinkApp Store Member Link

Questions?

+1 (888) 828-0841support@healthtap.com
LinkedInTwitter
HomeTermsPrivacyCookiesDMCAHealth TopicsDoctors DirectoryDoctor Q&A by Specialty
Copyright 2026 HealthTap, Inc.