The QT interval is a measurement made on an electrocardiogram used to assess some of the electrical properties of the heart. It is calculated as the time...
29 KB (3,277 words) - 03:00, 7 April 2024
LQTS can be diagnosed using an electrocardiogram (EKG) if a corrected QT interval of greater than 450–500 milliseconds is found, but clinical findings...
64 KB (6,615 words) - 10:17, 11 August 2024
the length of phase 3 myocardial repolarization, resulting in QT prolongation. A QT interval is a value that is measured on an electrocardiogram. Measurements...
17 KB (2,162 words) - 12:47, 28 April 2024
characteristic feature seen on an electrocardiogram (ECG) – a shortening of the QT interval. It is caused by mutations in genes encoding ion channels that shorten...
24 KB (2,508 words) - 12:33, 18 July 2024
prolong the QT interval, such as escitalopram, should be used with caution in those with congenital long QT syndrome or known pre-existing QT interval prolongation...
53 KB (4,935 words) - 16:58, 12 August 2024
the QT interval can increase a person's risk of developing this abnormal heart rhythm, occurring in between 1% and 10% of patients who receive QT-prolonging...
26 KB (2,982 words) - 04:33, 6 August 2024
Look up QT, Qt, qt, or q.t. in Wiktionary, the free dictionary. QT or Qt may refer to: The Qt Company, a Finnish software developer QT Hotels & Resorts...
2 KB (205 words) - 09:46, 3 August 2024
Electrocardiography (redirect from P-R interval)
This analysis calculates features such as the PR interval, QT interval, corrected QT (QTc) interval, PR axis, QRS axis, rhythm and more. The results from...
90 KB (9,975 words) - 05:48, 12 August 2024
QT interval variability (QTV) refers to the physiological phenomenon of beat-to-beat fluctuations in QT interval of electrocardiograms. Increased QTV appears...
5 KB (575 words) - 10:05, 4 January 2023
Ondansetron (section QT prolongation)
people taking other medicines that prolong the QT interval, as well as in people with congenital long QT syndrome, congestive heart failure, and/or bradyarrhythmias...
34 KB (3,154 words) - 19:29, 13 July 2024
potential effect on QT interval increases the risk of cardiac arrhythmia if used concurrently with other drugs that prolong the QT interval. Berberine has...
31 KB (2,821 words) - 10:58, 27 May 2024
with short-term use of Hydroxychloroquine include low blood sugar and QT interval prolongation. Idiosyncratic hypersensitivity reactions have occurred...
37 KB (4,806 words) - 15:40, 3 August 2024
phase of the cardiac action potential, and therefore the length of the QT interval. The LQT3 subtype of Romano–Ward syndrome is caused by variants in the...
28 KB (2,823 words) - 11:02, 11 August 2024
Fluoxetine (section QT prolongation)
taken alongside other drugs that prolong the QT interval, or by those with a susceptibility to long QT syndrome, there is a small risk of potentially...
119 KB (11,703 words) - 11:06, 16 August 2024
characterised by an abnormality seen on an electrocardiogram (a long QT interval) and a tendency to abnormal heart rhythms, physical characteristics including...
23 KB (2,389 words) - 11:02, 11 August 2024
loss from birth, affecting both ears. Those affected have a prolonged QT interval on an electrocardiogram and are at risk of abnormal heart rhythms (arrhythmias)...
13 KB (1,370 words) - 11:02, 11 August 2024
or vulnerable period. The T wave contains more information than the QT interval. The T wave can be described by its symmetry, skewness, slope of ascending...
14 KB (1,766 words) - 10:59, 4 July 2024
including people with a known history of QT prolongation and people taking medications known to prolong the QT interval. The most common side effects of solifenacin...
16 KB (1,542 words) - 08:08, 3 March 2024
affect QT interval and possibly predispose those using it to cardiac arrhythmias. However, itopride does not have any adverse effect on the QT interval. Later...
17 KB (1,606 words) - 05:17, 31 May 2024
absorption of moxifloxacin. Drugs that prolong the QT interval (e.g., pimozide) may have an additive effect on QT prolongation and lead to increased risk of ventricular...
35 KB (3,378 words) - 01:53, 21 April 2024
ECG as a prolongation of the QT interval. QT prolongation may be congenital or acquired. Congenital problems include long QT syndrome and catecholaminergic...
26 KB (2,933 words) - 23:20, 23 July 2024
death (by 70%) most likely through its prolonging effect of the cardiac QT interval and ventricular arrhythmias. The cause is thought to be blockade of hERG...
63 KB (5,650 words) - 16:44, 16 August 2024
lengthening of the QT interval. Therefore, it should not be taken by people taking other medications that affect the QT interval (such as amiodarone)...
10 KB (814 words) - 04:38, 1 August 2024
confirmed after a week. Specific changes, such as a shortened QT interval and prolonged PR interval, may be seen on an electrocardiogram (ECG). Treatment may...
34 KB (3,298 words) - 19:13, 25 July 2024
drug causes increased action potential duration, as well as a prolonged QT interval. As of 2019, its IV formulation is no longer being manufactured for use...
19 KB (1,862 words) - 01:53, 8 April 2024
containing channels are blocked by amiodarone, and it does prolong the QT interval, but its multiple other antiarrhythmic effects prevent this from causing...
19 KB (2,330 words) - 07:03, 3 June 2024
QT interval in some patients and the FDA label contains a warning for doctors to beware of this effect in their patients. The drug's effect on the QT...
18 KB (1,525 words) - 13:41, 8 August 2024
appetite, and headache. Serious side effects include prolongation of the QT interval. While not well studied, it appears to be safe for use in pregnancy....
12 KB (1,164 words) - 01:18, 21 April 2024
dyskinesia which may be permanent. Neuroleptic malignant syndrome and QT interval prolongation may occur, the latter particularly with IV administration...
57 KB (5,015 words) - 01:43, 13 August 2024
prolonged QT interval in the heart, which can be dangerous for patients with heart disease or those taking other drugs that prolong the QT interval. Lurasidone...
208 KB (18,297 words) - 10:03, 18 August 2024