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LQTS: Difference between revisions
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===Physical examination=== | ===Physical examination=== | ||
Patients can present with symptoms of arrhythmias: | {| class="wikitable" border="0" cellspacing="0" cellpadding="0" width="400px" | ||
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!Patients can present with symptoms of arrhythmias: | |||
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*Fast or slow heart beat | *Fast or slow heart beat | ||
*Skipping beats | *Skipping beats | ||
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*Paleness | *Paleness | ||
*Sweating | *Sweating | ||
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==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" | ||
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===Notorious QT prolonging drugs:<cite>Roden</cite>=== | |||
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#Amiodarone | #Amiodarone | ||
#Azithromycin | #Azithromycin | ||
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#Sotalol | #Sotalol | ||
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===Concomittant risk factors for medication induced torsade de pointes:=== | ===Concomittant risk factors for medication induced torsade de pointes:=== | ||
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#Female sex | #Female sex | ||
#Hypokalemia | #Hypokalemia | ||
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#Pre-existing QT prolongation | #Pre-existing QT prolongation | ||
#Congenital QT syndrome | #Congenital QT syndrome | ||
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==Congenital LQTS== | ==Congenital LQTS== | ||