1. SEMINAR ON ANESTHETIC
METHEDS AND EQUIPMENTS
 BY G/WAHD ALEMU-
 G/YOHANS TESFAYE
 GEDAMU W/YFRAW
 GETACHEW

2. History
First successful demonstration of GA
In Boston General Hospital USA in 1846
•By Morton(Local Dentist)

3. 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

4. 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

5. 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

6. cont’d
• History of clotting problem
• Nause & vomiting/GI desease

7. Physical examination
• Measure the BP,PR&Temp
• CVS,Respiratory&CNS

8. 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

9. During Anesthesia…
Control –BP,Temp,
Use pt monitoring device to control
inspiratory oxygen conc, saturation,ECG,

10. 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

11. Volatile Anesthetic Agents-maintainGA
Enflurane
Desflurane
Sevoflurane
Halothane
Isoflurane

12. e
• Neuro Muscular Blocking Agents
Depolarizing
Succinylcholine
Non depolarizing
Pancronium
Mivacurium
Atracurium{hypot}
Local anesthetics
esters(cocaisn,procaine and chloro procain)
amides(lidocain,Bupivacaine ,Ropivacaine)
ADRS -allergy

13. Drugs for spinal anesthesia