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YouTube

Penicillin and Antibiotics - Part 2

Dr. Najeeb Lectures via YouTube

Overview

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Delve into a comprehensive pharmacology lecture on penicillin and antibiotics in this second part of a four-part series. Explore the intricacies of cell wall synthesis inhibitors, including cycloserine, bacitracin, vancomycin, and beta-lactam drugs. Learn about the structural differences between Gram-positive and Gram-negative bacterial cell walls, and understand the mechanism of action of beta-lactam drugs. Discover the distinctions between wide-spectrum and narrow-spectrum penicillins, with a focus on natural penicillins and their effectiveness against spirochetes. Examine very narrow-spectrum penicillins, particularly antistaphylococcal penicillins, and their role in combating penicillinase-producing bacteria. Gain insights into the applications of Penicillin G and V, including their use against beta-hemolytic Streptococcus A and the challenge of methicillin-resistant Staphylococcus aureus (MRSA). Investigate wide-spectrum penicillins and their extended coverage of Gram-negative bacteria, as well as the use of anti-beta-lactamases to enhance their effectiveness. Conclude with an overview of anti-pseudomonal penicillins and their significance in treating surgical infections.

Syllabus

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34:40-
44:10-
52:36-
58:47-
1:07:33-

Taught by

Dr. Najeeb Lectures

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