Pre-Anaesthetic Medication
PRE-ANAESTHETIC MEDICATIONIt   is    the   term   applied   to    theadministration of certain drugs        priorto genera...
Objectives of Pre – Anaesthetic Medicationa.    Sedation/Relief of anxiety.b.    Relief of Pre-operative& Post-operative p...
d. Anti emetice. To decrease gastric acid secretion.f. For Synergic effect with General   Anaesthetics & hence to decrease...
SEDATIVES/ANXIOLYTICS   Benzodiazepine        diazepam         lorazepam          midazolam   Butyrophenones        ...
BarbituratesOPIOID ANALGESIC           morphine           pethidineANTICHOLINERGIC DRUGS             Aropine             h...
Anticholinergic Drugs   They decrease secretions of air passagesS0 prevent chockingPrevent laryngospasmPrevent cardiac ar...
Drugs for prophylaxis of gastric            acid aspiration   TO DECREASE ACID PRODUCTION   Antacid.   H2 Receptor Anta...
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Pre anaesthetic medication

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Pre anaesthetic medication

  1. 1. Pre-Anaesthetic Medication
  2. 2. PRE-ANAESTHETIC MEDICATIONIt is the term applied to theadministration of certain drugs priorto general anaesthetic agent so as tomake anaesthesia safer for thepatient.
  3. 3. Objectives of Pre – Anaesthetic Medicationa. Sedation/Relief of anxiety.b. Relief of Pre-operative& Post-operative pain.c. Inhibition of Parasympathetic NS: (1) To decrease salivary & bronchial secretions (a and hence prevent reflex laryngospasm. ) (2) To prevent cardiac arrest due to vagal sti.
  4. 4. d. Anti emetice. To decrease gastric acid secretion.f. For Synergic effect with General Anaesthetics & hence to decrease their adverse effects .g) drugs for patients having some specific illness e.g pheochromocytoma, thyrotoxicosis,arrythmias etc
  5. 5. SEDATIVES/ANXIOLYTICS Benzodiazepine diazepam lorazepam midazolam Butyrophenones droperidol Phenothiazines promethazine
  6. 6. BarbituratesOPIOID ANALGESIC morphine pethidineANTICHOLINERGIC DRUGS Aropine hyoscine glycopyrrolateANTIEMETIC Metoclopramide promethazine
  7. 7. Anticholinergic Drugs They decrease secretions of air passagesS0 prevent chockingPrevent laryngospasmPrevent cardiac arrest due to excessive vagal stimu as seen with Halothanei)Atropine Sulphate2) Scopolamine (also causes amnesea)3)Glycopyrrolate(
  8. 8. Drugs for prophylaxis of gastric acid aspiration TO DECREASE ACID PRODUCTION Antacid. H2 Receptor Antagonist: Ranitidine. Proton pump inhibitors Omeprazole. TO PREVENT REFLUXOF STOMACCONTENS Metoclopramide(prokinetic agent).

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