Premedication Dr.M.Kannan MD DA Professor And HOD Department of Anaesthesiology Tirunelveli Medical College.

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Premedication Dr.M.Kannan MD DA Professor And HOD Department of Anaesthesiology Tirunelveli Medical College

Premedication Drugs administer 1-2 hours before induction of Anaesthesia

Why Premedication To Allay anxiety and fear Non Pharmacological -Assurance &Raport –Pharmacological -Benzodiazepanies -Diazepam -Medazolam -Lorozepam

Why Premedication To Reduce Secretion Salivary secretion Broncheal secretion Anticholinergic drug-Atropine -Glycopyrolate Tachycardia Hyperthermia

Why Premedication Enhances Hypnotic effect of General Anaesthetic Drugs -Less amount volatile Anaesthetics and nacotics

Why Premedication Reduces Postoperative Nausea and Vomiting Aspiration Psychological trauma

To Prevent Vomiting Metachlorpropamide Ondansetron Ranitidine

Why Premedication Produce Amnesia Benzodiazepine group -Diazepam mg/kg -Medazolam0.05mg/kg -Lorozepam

Why Premedication Gastric Content Volume ph -alkaline Metoclopramide- Sodium citrate

Why Premedication Attenuate sympathetoadrenal response -Laryngoscopy

Why Premedication Attenuate vagal reflex ? Bradycardia Traction of eye muscle in squint surgery -Repeated administration succinylcholine -Induction of Anaesthesia with halothane -Lighter plane of Anaethsia

Why Premedication Allay anxiety and fear Reduce Secretion Enhances Hypnotic effect of General Anaesthetic Drugs Reduces Postoperative Nausea and Vomiting Produce Amnesia Gastric Content Volume ph -alkaline Attenuate vagal reflex Attenuate sympathetoadrenal response

What Drugs ? Antisailagoge –Atropine/Glycopyrolate Sedative –Morphine -Pethedine -Benzodiazepaines -Barbiturates Antiemitics -Metachlorpropamide/Ondonsetron Disease Specific Drugs

Can we Give Fixed Pre.Med NO Cardiac –Avoid anticholinergics & Stiff sedatives Thyrotoxicosis- Avoid anticholinergic Head injury- Avoid sedatives Airway obstruction- Aviod sedatives Pregnancy- Avoid sedatives

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