Definition Before discussing contraindications, it is important to first understand the physiologic effects of ECT. These include : Large increases in cerebral blood flow and intracranial pressure Initial parasympathetic discharge manifested by bradycardia, occasional asystole, premature atrial and ventricular contraction, hypotension and salivation Following parasympathetic reaction is a sympathetic discharge associated with tachycardia, hypertension, premature ventricular […]