Long QT syndrome Flashcards
1
Q
What is Long QT? (Description).
A
Q wave to the T wave is extended beyond normal parameters.
1
Q
Inherited or acquired?
A
Both.
Typically pathologically or pharmacologically.
2
Q
How do I recognise long QT?
A
- QT interval greater than 0.44 seconds or 11 small squares.
3
Q
Recognition - how to identify long QT in males?
A
greater than 0.44 seconds or 11 small squares
4
Q
Recognition - How to identify long QT in females?
A
QTc greater then 0.46 seconds or 11 and half squares
5
Q
What leads will it be most prevalent in ?
A
All
however may be more prominent in some leads compared to others.
6
Q
Signs and symptoms of long QT
A
Family history
syncope
sudden cardiac arrest
7
Q
Significance
A
- Prolonged QT is associated with life-threatening tachyarrrythmias and sudden cardiac arrest.
