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

What does an ecg do and why do would i need one?

5 doctors weighed in across 2 answers
Dr. Rick Koch answered

Measures: Electrical signals coming from heart muscle...Use to diagnose heart rhythm problems and active ischemia.

Dr Hoepfner agreed

Answered 3/28/2013

5.2k views

Thank

Many things: Ecg measures the rhythm of the heart. There are many reasons to have an ECG including evaluation of heart rhythm, palpitations, damage to the heart, etc.

Dr Shen and another doctor agreed

Answered 6/10/2014

5.2k views

Thank

Related Questions

A member asked:

What is the chance of having lqts if I had long QTc on one ecg but not on another? Also had one episode of fainting without warning signs.

A doctor has provided 1 answer

A member asked:

One ECG (out of 5) showed long qt intervals. Does this mean I have lqt syndrome? R/o hypocalcemia.

A doctor has provided 1 answer

A member asked:

I get a few PVCs a day on ecg look the same but uncommonly Ill get them that look a different morphology for one or two days. Does it mean multifocal?

A doctor has provided 1 answer

A member asked:

Why did I have a reading of av block and rbbb in one ecg reading but not in the ecg reading I got done 4 hours prior, If I really had av block or rbbb wouldnt it show each time I get an ecg?

A doctor has provided 1 answer

A member asked:

Was very emotionally stressed earlier having PVCS, Ecg showed normal sinus rhythem but ONE beat had a prominent U wave? I felt like a quickish beat?

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:

Why would only one ECG show abnormalities S1T3Q3 and the other ECGs (approx 3) be normal?
Had an ECG 8-9 months ago and it said I had 'Non-specific STT-wave changes'. Had another one this month and got 'PRWP on v1-v3' What does it mean?
Can you tell me if there are any situations where one could get an electrocardiogram (ecg) as part of preventative care?
30yo man.Fit, lean, dr ornish style diet...Always had a normal ecg.I a 1 full cardio check in feb(perfect) and one in june.Second ECG shown irbbb:why?
On one recording, report shows SVT and rad. On another occasion, ECG showed only SVT without rad. Is it possible? And what is rad?

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.