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Conditions
Heart diseases
Congenital heart disease
Long QT syndrome

Long QT syndrome

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A disorder of the heart's electrical activity that can cause sudden, uncontrollable, and dangerous variations in the rate of the heartbeat.

Dr. Geoffrey Rutledge reviewed this

39 year experience in Internal Medicine

Is a type of:

Abnormal heart rhythms • Congenital heart disease

How long it usually lasts:

Chronic (lasts years to lifelong)

How common it is:

Very rare
Baby
0-2
Common
Preteen
6-13
Common
Teenager
14-18
Common
Young adult
19-40
Common
Middle-aged adult
41-60
Common

How it can usually be treated?

Incurable but treatment can help

How is it usually diagnosed?

Requires diagnosis by a medical professional

Body locations

Chest

Symptoms

Spinning sensation
Fatigue
Confusion
Dizziness
Low blood pressure
Load more

Medications

Ratings show how effective doctors think these medications are at treating Long QT syndrome
Beta blocker

Medical devices

Pacemaker

Other treatments

Lifestyle changes

Tests

Holter monitoring
Electrocardiogram

Related questions

A 32-year old male asked:

What is long qt syndrome?

4 doctor answers • 15 doctors weighed in

A 36-year old asked:

What causes long QT syndrome?

2 doctor answers • 6 doctors weighed in

A 40-year old asked:

How is long QT syndrome diagnosed?

2 doctor answers • 3 doctors weighed in

A 42-year old asked:

What's a natural way to treat long qt syndrome?

1 doctor answer • 5 doctors weighed in

A 33-year old asked:

Prognosis or statistics about long qt syndrome?

1 doctor answer • 4 doctors weighed in

A 48-year old asked:

Does anyone young have long qt syndrome like me?

2 doctor answers • 7 doctors weighed in

A 38-year old asked:

Can a person with long qt syndrome die suddenly?

1 doctor answer • 5 doctors weighed in

A 48-year old asked:

Can I get disability if I have long qt syndrome?

1 doctor answer • 4 doctors weighed in

A 40-year old asked:

When you have long qt syndrome is medication necessary?

2 doctor answers • 3 doctors weighed in

A 38-year old asked:

Is "long qt syndrome" very common among teenage athletes?

2 doctor answers • 4 doctors weighed in

A 28-year old male asked:

What is the definition or description of: long qt syndrome?

1 doctor answer • 3 doctors weighed in

A 45-year old asked:

My sister has developed long qt syndrome. What is it exactly?

2 doctor answers • 7 doctors weighed in

A 31-year old asked:

When you have long qt syndrome diagnosed, do you always have to start medican for it?

1 doctor answer • 5 doctors weighed in

A 35-year old male asked:

My brother has long qt syndrome. How great is my (and my kid's) risk of having it also?

2 doctor answers • 6 doctors weighed in

A 18-year old female asked:

Is acquired long qt syndrome permanent? If the medication is stopped or the underlying cause treated does it continue to be a threat?

2 doctor answers • 2 doctors weighed in

A 28-year old asked:

How likely is long qt syndrome to kill me?

3 doctor answers • 7 doctors weighed in

A 39-year old asked:

I have long qt syndrome, is it ok if I take a valium?

1 doctor answer • 2 doctors weighed in

A 50-year old asked:

Psychoactive for long qt syndrome, what does that mean?

1 doctor answer • 2 doctors weighed in

A 35-year old asked:

How do the symptoms differ in anxiety vs long qt syndrome?

2 doctor answers • 13 doctors weighed in

A 28-year old male asked:

How long does your qt interval how to be to be considered long qt syndrome ?

3 doctor answers • 10 doctors weighed in

A 27-year old male asked:

Would over 10 12-lead ecgs and 4 48 hour ecgs rule out long qt syndromes and other channelopathies?

1 doctor answer • 2 doctors weighed in

A 32-year old asked:

Long qt syndrome type 5--what are the treatments?

1 doctor answer • 3 doctors weighed in

A 48-year old asked:

What part of heart does "long qt syndrome" affect?

2 doctor answers • 3 doctors weighed in

A 33-year old asked:

Is long qt syndrome a reason that I could be medically discharged from the marines?

2 doctor answers • 8 doctors weighed in

A 59-year old female asked:

Is it safe to get a Covid 19 shot either the Moderna or Phizer when you have Long QT Syndrome?

2 doctor answers • 3 doctors weighed in

A 28-year old male asked:

Is isosorbide (IMDUR) safe in long Qt syndrome?

1 doctor answer • 1 doctor weighed in

A 36-year old male asked:

If someone has long qt syndrome is the conditions visible all the time on an ecg? Or only during an episode?

1 doctor answer • 1 doctor weighed in

A 29-year old asked:

I have long qt syndrome and asthma. I need a rescue inhaler. Which one has been used most on people like me?

2 doctor answers • 5 doctors weighed in

A 23-year old male asked:

Is propranolol 80 mg 2 x daily good for long QT syndrome in preventing Vtach? Or should it be taken more often?

1 doctor answer • 4 doctors weighed in

A 27-year old male asked:

I am worried about long QT syndrome because I am taking 5 mg lexapro (escitalopram) and 40 mg of protonix. Is it a safe combo?

1 doctor answer • 3 doctors weighed in

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