Long QT Syndrome
The "QT" in "long QT" stands for the interval in an echocardiograph (or ECG) that represents the ventricles of the heart completing their contraction (the "lub" in the "lub dub" of the heartbeat), recovering, and preparing for the next contraction. An abnormally long QT means the ventricles may end up out of sync with the rest of the heart.
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Signs and symptoms
Signs include sudden collapse, seizures, and sometimes death
First signs of this disease are often in adulthood. -
Diagnosis
Genetic testing and ECG monitoring can be used to diagnose this disease.
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Treatment
Fortunately, there are medications that can be given to affected dogs to help control the electrical pace of the heart.
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What to do if your dog is at risk
Actions
- Carefully following your veterinarian's advice and regular cardiac screenings will help to give your dog the most normal life possible.
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Genetic Information
In the English Springer Spaniel, LQTS has been mapped to a mutation in the KCNQ1 gene.
All affected dogs were heterozygous (had only one copy) of the mutation.
Gene names:
KCNQ1 ‐ chr
Inheritance type:
dominant
Citations:
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Breeds affected
This health condition affects the following breeds
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