This article throws light upon the seven main theories of general anaesthesia. The theories are: 1. Lipid Theory 2. Surface Tension Theory (Adsorption Theory) 3. Cell Permeability Theory 4. Neuro Physiological Theory 5. Colloidal Theory 6. Physical Theory 7. Biochemical Theories. 1. Lipid Theory: This theory was advanced by Meyer (1899,1901) and Overton (1901). This theory propose that there is [...]
After reading this article you will learn about:- 1. Purpose of Anaesthesia 2. History of Anaesthesia 3. Characteristics of an ideal Anaesthetic 4. Clinical Stages of Anaesthesia 5. Preparation of Patient for Anaesthesia 6. General Consideration in Selection of Anaesthetics. Purpose of Anaesthesia: Anaesthesia is a reversible process by which loss of sensation in a body part or in the [...]
After reading this article you will learn about:- 1. Definition of Drug Action and Receptors 2. Theories for Relationship Between Drug-Receptor Interaction. Definition of Drug Action and Receptors: The term "drug action" is used to describe the method by which the drug influences a cell and the term 'Drug effect or response' is a sequel to this action. Modification of [...]