Introduction Electroconvulsive therapy (ECT) is considered the most effective treatment for catatonia regardless its underlying condition. The rigid fixed posture and immobility observed in catatonia may lead to several clinical complications. of which. pulmonary embolism (PE) is one of the most severe. https://www.roneverhart.com/Vox-AC30S1-Single-Channel-1x12-Combo-p21102/