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Premedication

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

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Premedication

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

  2. Premedication • Drugs administer 1-2 hours before induction of Anaesthesia

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

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

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

  6. Why Premedication • Reduces Postoperative Nausea and Vomiting • Aspiration • Psychological trauma

  7. To Prevent Vomiting • Metachlorpropamide • Ondansetron • Ranitidine

  8. Why Premedication • Produce Amnesia • Benzodiazepine group -Diazepam 0.1-0.2mg/kg -Medazolam0.05mg/kg -Lorozepam

  9. Why Premedication • Gastric Content Volume ph -alkaline • Metoclopramide- • Sodium citrate

  10. Why Premedication • Attenuate sympathetoadrenal response -Laryngoscopy

  11. 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

  12. 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

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

  14. 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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