~repack~ — Sketchy Pharmacology
Unlocking Medical Memory: The Complete Guide to Sketchy Pharmacology
For decades, medical students, nursing candidates, and pharmacy professionals have faced the same nightmare: the autonomic nervous system. The sheer volume of drugs—agonists, antagonists, muscarinic, nicotinic, alpha, beta—often feels like a foreign language designed to be forgotten immediately after the exam.
Enter Sketchy Pharmacology.
Part of the larger "SketchyMedical" universe (famous for its microbiology counterpart), Sketchy Pharmacology is a visual learning tool that transforms dense pharmacology tables into unforgettable, narrative-driven illustrations. But does it work? Is it worth the subscription? And how does it compare to traditional resources like UWorld or First Aid? sketchy pharmacology
This article dives deep into the mechanics, efficacy, pros, cons, and strategies for using Sketchy Pharmacology to conquer the most difficult subject in medical school. Unlocking Medical Memory: The Complete Guide to Sketchy
1. Autonomic & Cardiovascular Pharmacology
2. Cardiovascular & Renal Drugs
- Antihypertensives (ACE inhibitors, ARBs, calcium channel blockers)
- Diuretics (loop, thiazide, potassium-sparing)
- Antiarrhythmics (Vaughan Williams classes I-IV)
- Anticoagulants & antiplatelets (heparin, warfarin, DOACs, aspirin) Example Scene: A "Diuretic Beach" where thiazides are sunbathers (hypercalcemia), loops are surfers (ototoxicity), and spironolactone is a man with gynecomastia.
Naloxone (Opioid antagonist)
- Sketch Symbol: A no symbol over an opioid receptor, a person waking up.
- Onset: Seconds to minutes (IV/IM).
- Duration: Shorter than most opioids → renarcotization possible.
- Precipitates withdrawal (agitation, vomiting, hypertension).
SSRI Discontinuation Syndrome (e.g., Paroxetine)
- Sketch Symbol: A person unplugging a lamp, zaps (brain zaps), dizzy.
- Symptoms: Flu-like, insomnia, paresthesias, vertigo, irritability.
- Longest half-life = Fluoxetine (fewer withdrawal symptoms).
- Shortest half-life = Paroxetine (worst withdrawal).
Valproate (Valproic Acid)
- Sketch Symbol: A valley with two peaks (bipolar + seizure), a baby with spina bifida.
- Uses: Seizures (generalized), bipolar, migraine.
- Teratogenicity: Neural tube defects (spina bifida).
- Side effects: Hepatotoxicity, hyperammonemia, tremor, PCOS.
- Monitor: LFTs, ammonia, valproate level.
1. Autonomic Pharmacology
- Cholinergics (muscarinic agonists, anticholinesterases)
- Anticholinergics (atropine, scopolamine)
- Adrenergics (alpha/beta agonists)
- Adrenergic antagonists (beta-blockers, alpha-blockers) Example Scene: A "Cholinergic Living Room" with a sofa that makes you salivate (SLUDGE syndrome), a grandfather clock that slows the heart, and a mirror that constricts pupils.
1. Conquering "The Wall" of Autonomics
Autonomic pharmacology is the first major hurdle in med school. Agonists, antagonists, muscarinic, nicotinic, alpha, beta—it is chaos. Sketchy breaks this into two or three massive, interconnected scenes that tell a continuous story. Once you learn the "Autonomics" sketch, you can differentiate between Prazosin (alpha-1 blocker) and Clonidine (alpha-2 agonist) instantly. Naloxone (Opioid antagonist)
Beta-2 Agonists (e.g., Albuterol)
- Sketch Symbol: Two lungs (2), a kettle boiling water (asthma).
- Mechanism: Bronchodilation, uterine relaxation, vasodilation.
- Uses: Asthma, COPD, preterm labor.
- Side Effects: Tremor, tachycardia (reflex), hypokalemia.
