Drug-induced QT prolongation
Drug-induced QT prolongation is a medical condition that refers to the lengthening of the QT interval on an Electrocardiogram (ECG) due to the use of certain medications. This condition can lead to a life-threatening arrhythmia known as Torsades de Pointes (TdP).
Pronunciation
- Drug-induced: /ˈdrʌɡ ɪnˈdjuːst/
- QT prolongation: /ˌkjuː tiː prəˌlɒŋˈɡeɪʃən/
Etymology
The term "Drug-induced" is derived from the English language, where "drug" refers to a substance used for medical treatment, and "induced" means brought about or caused. "QT prolongation" is a term used in cardiology. The "QT" refers to the Q and T waves on an ECG, and "prolongation" refers to the lengthening of this interval.
Related Terms
- QT interval: The time from the start of the Q wave to the end of the T wave on an ECG, representing the time taken for ventricular depolarization and repolarization.
- Electrocardiogram (ECG): A test that measures the electrical activity of the heart.
- Torsades de Pointes (TdP): A specific type of abnormal heart rhythm that can lead to sudden cardiac death.
- Arrhythmia: A condition in which the heart beats with an irregular or abnormal rhythm.
See Also
- List of drugs associated with QT prolongation
- Long QT syndrome
- Cardiac arrhythmia
- Sudden cardiac death
References
- Drug-induced QT prolongation and Torsades de Pointes - the facts (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6491180/)
- Drug-induced QT prolongation and Torsades de Pointes (https://www.ahajournals.org/doi/full/10.1161/CIRCEP.108.785774)
External links
- Medical encyclopedia article on Drug-induced QT prolongation
- Wikipedia's article - Drug-induced QT prolongation
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