Anesthesia, Spinal Clinical Trial
Official title:
A Study Evaluating Hypotension and Autonomic Nervous System Dysfunction During Spinal Anesthesia for Cesarean Section and Its Relation to the Effect of Prophylaxis Phenylephrine
Pregnant women with a positive preoperative Supine stress test were found to be a subgroup at increased risk of symptomatic hypotension after spinal anesthesia
Patients will be placed in dorsal decubitus dislocating the uterus to the left for a few minutes, with blood pressure and heart rate recorded three times, with a three-minute interval between measurements to obtain mean baseline levels and this will be repeated in an upright position to record the same measurement.Orthostatic hypotension (Orthostatic hypotension "OH" is defined specifically as a 20mmHg drop in systolic, and/or a 10mmHg drop in diastolic blood pressure within 3 minutes of standing. ;
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