SEMINAR ON ANESTHETIC METHEDS AND EQUIPMENTS

BY G/WAHD ALEMU- G/YOHANS TESFAYE GEDAMU W/YFRAW GETACHEW

History

First successful demonstration of GAIn Boston General Hospital USA in 1846

•By Morton(Local Dentist)

Pre-Anesthetic Assesment

AIM• Reduce morbidity of surgery

• Increase quality of perioperativ care & to return the pt’ to desirable functioning as

quickely as posible• A study in University of Florida fouynd that pre-

anestetic evaluation provided information leading to change in care planes fo 20% of all

patients

History point Anesthesia plans requiring extra time

Asthma Use bronchiodilators,extubat during deep anesthesia

GERD Adminster H2 blockers, use rapid sequence induction of anesthesia

Malignant hyperthermia Obtain clean anesthesia machine

History

• Recent medical care(medication)• Allergies/for anesthesia/• Last time he took anesthesia• Last time alcohol• His ability to walk up stairs play sports with out

being in short of breath• If he ever had awakened & felt short of breath• Ask history of asthma,evidens of obstruction,order

to stop smoking before anesthesia

cont’d

• History of clotting problem• Nause & vomiting/GI desease

Physical examination

• Measure the BP,PR&Temp• CVS,Respiratory&CNS

Anesthetic Implication of DM

When using regional anesthesia in DM pt’s it should be lower in quantity as risk of nerve injury is high

Combination of local anesthetic with epinephrine poses a risk

During Anesthesia…

Control –BP,Temp,Use pt monitoring device to control

inspiratory oxygen conc, saturation,ECG,

Common Anesthetic Agents

IV anesthetic agents To induce GA/unconciousness,analgesia , immobility&/or

amnesia Have cvs&resp depression, pain on injection&vomiting as

side effect Include Ethomedate Ketamine propofole/commonest&maintainance/

Tiopental

Volatile Anesthetic Agents-maintainGAEnflurane

DesfluraneSevoflurane

HalothaneIsoflurane

e

• Neuro Muscular Blocking AgentsDepolarizing SuccinylcholineNon depolarizing Pancronium

MivacuriumAtracurium{hypot}

Local anesthetics esters(cocaisn,procaine and chloro procain) amides(lidocain,Bupivacaine ,Ropivacaine) ADRS -allergy

Drugs for spinal anesthesia