review of pharmacology

Jaypee Brothers Medical Publishers (P) Ltd

This document is a review of the ninth edition of a medical textbook authored by Gobind Rai Garg and Sparsh Gupta. It delves into the intricacies of the cardiac action potential, correlating its phases with the ECG, and presents the Singh and Vaughan Williams classification of antiarrhythmic drugs. The review further elaborates on Class I antiarrhythmic agents, detailing their mechanism of action on sodium channels and their sub-classification (IA, IB, IC). Additionally, it touches upon the adverse effects, contraindications, precautions, and specific agents within opioid analgesics, including morphine and its use in various patient populations.