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Original ArticleOpen Access
Seizure Threshold in ECT : I. Initial Seizure Threshold
Chanpattana W 
,
Kitaroonchai W ,
Choovanichvong S ,
Teclwkasem P ,
Yatapootanon W
,
Kitaroonchai W ,
Choovanichvong S ,
Teclwkasem P ,
Yatapootanon W Seizure threshold detennination is of crucial importance in optimizing eJectrical stimulus
dosage during administering electroconvulsive therapy (ECT). We measured initial seizure
~threshold
by means of Srinakharinwirot
University-~iltratwn
schedule in 150 psychotic patients.
Initial seizure threshold was approximately 104 millicoulombs on average, but varied widely
(12-fold) across patients. Motor seizure duration was inversely related to initial seizure threshold.
Seizure threshold could be strongly predicted by age. The results may have important clinical
implications for stimulus dosing strategy in ECT.
Key word : Electroconvulsive Therapy (ECT), Initial Seizure Threshold, Age, Srinakharinwirot
University (SWU) Titration Schedule
dosage during administering electroconvulsive therapy (ECT). We measured initial seizure
~threshold
by means of Srinakharinwirot
University-~iltratwn
schedule in 150 psychotic patients.
Initial seizure threshold was approximately 104 millicoulombs on average, but varied widely
(12-fold) across patients. Motor seizure duration was inversely related to initial seizure threshold.
Seizure threshold could be strongly predicted by age. The results may have important clinical
implications for stimulus dosing strategy in ECT.
Key word : Electroconvulsive Therapy (ECT), Initial Seizure Threshold, Age, Srinakharinwirot
University (SWU) Titration Schedule
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