Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
electrocardiography measurement
|
| gptkbp:abnormalIf |
greater than 450 ms in men
greater than 470 ms in women |
| gptkbp:affects |
heart rate
|
| gptkbp:canBeProlongedBy |
medications
electrolyte disturbances congenital syndromes |
| gptkbp:canBeShortenedBy |
gptkb:hypercalcemia
digitalis toxicity |
| gptkbp:corrects |
Bazett formula
Fridericia formula |
| gptkbp:diagnosedBy |
long QT syndrome
drug-induced arrhythmias short QT syndrome |
| gptkbp:firstDescribed |
gptkb:Willem_Einthoven
|
| https://www.w3.org/2000/01/rdf-schema#label |
QT interval
|
| gptkbp:measures |
milliseconds
lead II (commonly) |
| gptkbp:partOf |
electrocardiogram
|
| gptkbp:prolongedQT |
risk of sudden cardiac death
risk of torsades de pointes |
| gptkbp:range |
350-440 ms (varies by age and sex)
|
| gptkbp:reflects |
duration of ventricular depolarization and repolarization
|
| gptkbp:represents |
time from start of Q wave to end of T wave
|
| gptkbp:shortenedQT |
risk of arrhythmia
|
| gptkbp:bfsParent |
gptkb:Long_QT_syndrome
|
| gptkbp:bfsLayer |
7
|