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Doctor insights on: Qt Prolongation

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What can happen with qt prolongation?

What can happen with qt prolongation?

Arrythmias: QT prolongation can cause cardiac arrythmias when there is a genetic defect in some cardiac channels. ...Read more

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How likely is qt prolongation when taking three drugs that have that risk? If they all have that warning, is that risk of qt prolongation increased?

Most likely: I would be concerned about taking these medications simultaneously as there is more of a possibility of potentiating the prolongation of the qt interval. Your pharmacist can also advise you on this important matter of drug interactions. ...Read more

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Does alcohol cause qt prolongation?

Does alcohol cause qt prolongation?

ETOH and QT interval: It looks like it can. Several other medications do. Here are some references: Alcohol withdrawal causes QT prolongation. http://www.ncbi.nlm.nih.gov/pubmed/9217919 http://www.ncbi.nlm.nih.gov/pubmed/8099138 http://www.ncbi.nlm.nih.gov/pubmed/1471763 ...Read more

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I have acquired qt prolongation am I at risk of arrythmias or sudden death?

I have acquired qt prolongation am I at risk of arrythmias or sudden death?

See below: The most common causes of acquired QT prolongation are medications and electrolyte imbalance.*If your condition was a reaction to medication then your risk should be very low if you avoid medications known to cause QT prolongation.FOR A LIST OF MEDICATIONS TO AVOID AND A DISCUSSION OF PROLONGED QT GO TO: CredibleMeds.org There may be a genetic component that increases risk of drug induced LongQT ...Read more

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I was diagnosed with incomplete right brundle branch block & may start lexapro (escitalopram). Concerned that Lexapro (escitalopram) has been shown to cause qt prolongation.

I was diagnosed with incomplete right brundle branch block & may start lexapro (escitalopram). Concerned that Lexapro (escitalopram) has been shown to cause qt prolongation.

Correct: Yes Lexapro (escitalopram) can cause qt prolongation. You may try the drug and get your ekg done after few days and check if there is any change in qt. Avoid using drugs along with Lexapro (escitalopram) which causes qt prolongation ...Read more

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Can prozac (fluoxetine) cause QT prolongation?

Can prozac (fluoxetine) cause QT prolongation?

Minor: Most drugs can to a minimal extent, prolong the QTc interval, and in the class of anti-depressants, citalopram is the most potent, but Prozac (fluoxetine) is likely minimal. ...Read more