467
edits
LQTS: Difference between revisions
no edit summary
No edit summary |
|||
| Line 15: | Line 15: | ||
===Physical examination=== | ===Physical examination=== | ||
Patients can present with symptoms of arrhythmias: | {| class="wikitable" border="0" cellspacing="0" cellpadding="0" width="400px" | ||
|- | |||
!Patients can present with symptoms of arrhythmias: | |||
|- | |||
| | |||
*Fast or slow heart beat | *Fast or slow heart beat | ||
*Skipping beats | *Skipping beats | ||
| Line 23: | Line 27: | ||
*Paleness | *Paleness | ||
*Sweating | *Sweating | ||
|} | |||
==Acquired LQTS== | ==Acquired LQTS== | ||
Acquired LQTS is most often caused by drugs that prolong the QT interval; combined with risk factors the risk of [[Torsade de Pointes]] is likely to increase. | Acquired LQTS is most often caused by drugs that prolong the QT interval; combined with risk factors the risk of [[Torsade de Pointes]] is likely to increase. | ||
===Notorious QT prolonging drugs: <cite>Roden</cite>=== | {| class="wikitable" border="0" cellspacing="0" cellpadding="0" width="400px" | ||
|- | |||
! | |||
===Notorious QT prolonging drugs:<cite>Roden</cite>=== | |||
|- | |||
| | |||
#Amiodarone | #Amiodarone | ||
#Azithromycin | #Azithromycin | ||
| Line 44: | Line 53: | ||
#Sotalol | #Sotalol | ||
|} | |||
{| class="wikitable" border="0" cellspacing="0" cellpadding="0" width="400px" | |||
|- | |||
! | |||
===Concomittant risk factors for medication induced torsade de pointes:=== | ===Concomittant risk factors for medication induced torsade de pointes:=== | ||
|- | |||
| | |||
#Female sex | #Female sex | ||
#Hypokalemia | #Hypokalemia | ||
| Line 54: | Line 70: | ||
#Pre-existing QT prolongation | #Pre-existing QT prolongation | ||
#Congenital QT syndrome | #Congenital QT syndrome | ||
|} | |||
==Congenital LQTS== | ==Congenital LQTS== | ||