DRUG CLASSES + SAFETY INTEGRATION
YEAR 1 | PAGE 14B - ANTIMICROBIAL, CARDIOVASCULAR & CNS PHARMACOLOGY BRIDGES
CURRENT STEP 1 PHARMACOLOGY EMPHASIS
Step 1 still tests pharmacology, but current USMLE guidance emphasizes MECHANISMS OF ACTION over detailed treatment selection, interactions, adverse effects or contraindications. School exams may test the broader drug profile, so learn mechanism deeply and attach a small set of signature clinical facts.
B. SYSTEM / DRUG-CLASS VIDEOS - SUBSTANTIVE DIRECT VIDEOS
Use these as representative mechanism bridges. You will revisit the full system-specific pharmacology during Year 2 organ blocks.
B. SYSTEM / DRUG-CLASS VIDEOS - SUBSTANTIVE DIRECT VIDEOS
| # | Video | Time | Why | Link |
|---|---|---|---|---|
| 1. | Antibiotics - Ninja Nerd | ~2 hr 18 | Cell wall, ribosome, nucleic-acid and folate targets integrated with spectrum, toxicities and resistance mechanisms. | Open → |
| 2. | Antivirals: HIV, Hepatitis, Influenza, Herpes - Ninja Nerd | ~1 hr 52 | Viral life-cycle targets -> drug classes -> resistance/adverse effects; an ideal mechanism-first antimicrobial model. | Open → |
| 3. | Antihypertensive Drugs - Ninja Nerd | ~2 hr 38 | Sympatholytics, diuretics, RAAS blockade and vasodilators organized by physiology, mechanism and patient context. | Open → |
| 4. | Antiarrhythmic Drugs - Ninja Nerd | ~2 hr 41 | Cardiac action potentials and conduction -> Classes I-IV plus adenosine/digoxin -> adverse effects and practice cases. | Open → |
| 5. | Antiplatelet, Anticoagulant & Thrombolytic Agents - Ninja Nerd | ~3 hr 10 | Platelets, coagulation and fibrinolysis -> drug targets -> monitoring, bleeding risk and reversal. | Open → |
| 6. | Anxiolytic & Hypnotic Drugs - Ninja Nerd | ~69 min | GABA, serotonin and sleep pathways linked to benzodiazepines, barbiturates, Z-drugs, buspirone and safety principles. | Open → |
DRUG-CLASS INTEGRATION CHECK
- For every class, reduce the list to receptor/enzyme/channel -> physiologic effect -> disease effect -> signature toxicity/monitoring.
- Antimicrobials: link microbial target to selective toxicity and the resistance mechanism that defeats the drug.
- Cardio/renal drugs: predict preload, afterload, heart rate, contractility, conduction, volume or electrolytes before recalling names.
- CNS drugs: connect neurotransmitter/receptor changes to therapeutic effect, sedation, dependence, movement or autonomic adverse effects. VIDEO-FIRST | SCHOOL-EXAM + BOARD-EXAM MASTERY