Random Pearls of Anesthesia by Dr Maryam Malik


General and Local Anesthesia are important subjects that you people have to cover for exam. Like other subject we have told in other articles about different Books which you people can do for Anesthesia. You people should do MCQs as well important Points along with Keys. We have made this article for Anesthesia. Hopefully it will help you guys in exam.



Anesthetic Agent acts on CNS.
Analgesic Agent acts on Spinal cord.
Potency(Solubility) of anesthetic agent is. Inversely proportional to MAC.
More lipid soluble Anesthetic—> lower concentration of Anesthesia needed—> higher potency.
Anesthesia with increase blood gas ratio –> slow onset and recovery.
Nitrous oxide 104% MAC Value. Halothane 0.8% MAC Value.
MAC value of Nitrous oxide is greater—> Less lipid soluble—> Rapid Induction & Recovery Sequence of solubility in blood

“”HEn Is So Def””
Halothane> Enflurane >Isoflurane >Sevoflurane > desflurane
Anesthesia divided into 3 Stages:
* Induction
* Maintenance
* Recovery
For induction use I/V Anesthesic Thiopental and Midazolam(most commonly use for endoscopy)
**Sequence of Blockage**
TypeB&C > type A-delta> type A-beta > type A-gamma >
type A-alpha(proprioception)
Recovery is in Reverse Order.
**Order OF Nerve Blockage**
Small diameter mylinated fiber> small diameter unmylinated> larger diameter mylinated> larger
diameter unmylinated
***Order of Loss***
Pain > temperature > Touch > Pressure last to go
Among Inhaled Anesthetics Halothane is contraindicated in increase intracranial pressure
Among I/V anesthetics Kitamine is contraindicated in Increase intracranial pressure

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