Source / episode info
- **Episode:**112
- **Title:**Divine Intervention Episode 112 – The “Clutch” Pharmacology Podcast Round 2
- **Published:**2019-06-11
- Source:Episode page
One-liner
This episode provides a massive review of pharmacology, covering everything from autonomic agents and cardiac drugs to complex antibiotic classes (e.g., -lactams, aminoglycosides), anti-cancer chemotherapies, psychotropics, and critical drug interactions for board exams.
High-yield summary
- Autonomic Agents: Use selective _1 blockers like tamsulosin for BPH to avoid systemic hypotension; use muscarinic agonists (e.g., bethanechol) for urinary retention or post-operative atony.
- Cardiac Drugs: Recognize the differences between Dihydropyridine ({Ca}^{2+} channel blockers, cause peripheral edema) and Non-dihydropyridine ({Ca}^{2+} channel blockers, rate control); use {ACE} inhibitors/ARBs for renal protection in diabetes or scleroderma renal crisis.
- Antibiotics: Know the spectrum of coverage (e.g., Vancomycin only covers Gram+; Aminoglycosides cover Gram-; Ceftriaxone is preferred for suspected meningitis). Remember that -lactams are generally safe, but specific generations target different pathogens ({Sepremomycin} for atypical infections).
- Psychopharmacology: Be aware of the side effects and management protocols: Isoniazid (INH) depletes Vitamin B6 (risk of peripheral neuropathy/seizures); Dopamine agonists are first-line for prolactinoma; Triptans must be used cautiously in patients with coronary artery disease due to vasoconstriction.
- Oncology: Understand the mechanism and toxicity profiles: Taxanes stabilize microtubules; Vinca alkaloids depolymerize them; Cisplatin is nephrotoxic/ototoxic, requiring NAC for protection.
Learning objectives
- Differentiate between \alpha-adrenergic receptor blockers and their clinical applications (BPH vs. phaeochromocytoma).
- Apply knowledge of autonomic pharmacology to manage conditions like urinary retention, ileus, and cholinergic crisis.
- Select appropriate antibiotics based on the suspected pathogen's Gram stain and resistance profile.
- Understand the mechanism and management of complement deficiencies (PNH) and coagulation disorders (TPA reversal).
- Correlate drug side effects with their mechanisms of action (e.g., \text{INH}/B6 depletion, \text{AChEIs}/GI upset, \text{Ca}^{2+} channel blockers/edema).
Board exam buzzwords