RCTs, cohorts, case-control — which study design answers which question. A rapid, high-yield review of research study design for medical students and exam candidates.

In this episode: • RCT — gold standard for interventions • Cohort — exposed vs unexposed over time • Case-control — disease → look back at exposure • Cross-sectional — snapshot at one time • Meta-analysis — pools studies for power • Double-blinding — neither side knows group • IRB — approves + monitors research ethics

Exam pearl: RCT = gold standard (interventional)

⏱ 2:58 · Quick Medical Review — study smart, not hard. More episodes: https://www.youtube.com/@quickmedicalreview

Covers high-yield epidemiology & ethics for USMLE Step 2 CK, MRCP, PLAB and SMLE. Educational revision only — not medical advice.

Positive vs negative symptoms, the six-month rule, and antipsychotic emergencies. A rapid, high-yield review of schizophrenia for medical students and exam candidates.

In this episode: • Positive sx: delusions, hallucinations, disorganized speech • Negative sx: flat affect, avolition, withdrawal, poverty of speech • 6 months duration required for dx • Auditory hallucinations — most common type • Tardive dyskinesia — facial movements, antipsychotic complication • NMS: fever, rigidity, ↑ CPK — antipsychotic emergency

Exam pearl: 6 months sx; ≥2 criteria × ≥1 month

⏱ 3:15 · Quick Medical Review — study smart, not hard. More episodes: https://www.youtube.com/@quickmedicalreview

Covers high-yield psychiatric for USMLE Step 2 CK, MRCP, PLAB and SMLE. Educational revision only — not medical advice.

The normal maternal changes that every obstetrics question is built on. A rapid, high-yield review of normal pregnancy physiology for medical students and exam candidates.

In this episode: • Naegele's rule = LMP + 7d − 3mo + 1yr • Gestational age: from LMP, 2wk > embryonic • hCG: syncytiotrophoblast → maintains corpus luteum • Chronic respiratory alkalosis (progesterone) • Hypercoagulable state = normal • Pseudocyesis = false pregnancy

Exam pearl: Gestational age = LMP, 2wk > embryonic

⏱ 3:05 · Quick Medical Review — study smart, not hard. More episodes: https://www.youtube.com/@quickmedicalreview

Covers high-yield obstetrics for USMLE Step 2 CK, MRCP, PLAB and SMLE. Educational revision only — not medical advice.

Thelarche to menarche, Tanner staging, and precocious vs delayed puberty. A rapid, high-yield review of gynecologic development & puberty for medical students and exam candidates.

In this episode: • Thelarche = first sign of puberty in girls • Menarche = age 12-13, ~2-3 yrs after thelarche • Precocious puberty = before age 8 in girls • GnRH agonist (leuprolide) → central precocious puberty • Tanner staging 1-5 = sexual maturity

Exam pearl: Thelarche = first sign; menarche avg 12-13

⏱ 3:42 · Quick Medical Review — study smart, not hard. More episodes: https://www.youtube.com/@quickmedicalreview

Covers high-yield gynecology & breast for USMLE Step 2 CK, MRCP, PLAB and SMLE. Educational revision only — not medical advice.

MCA vs ACA vs PCA — localizing a stroke straight from the symptoms. A rapid, high-yield review of cerebral vasculature & neuroanatomy for medical students and exam candidates.

In this episode: • MCA → face + arm weakness, Broca/Wernicke aphasia • ACA → contralateral leg weakness • PCA → homonymous hemianopia, visual cortex • Circle of Willis → links anterior + posterior • Watershed zones → vulnerable to hypotension

Exam pearl: MCA = face/arm > leg; aphasia if dominant

⏱ 3:35 · Quick Medical Review — study smart, not hard. More episodes: https://www.youtube.com/@quickmedicalreview

Covers high-yield neurologic for USMLE Step 2 CK, MRCP, PLAB and SMLE. Educational revision only — not medical advice.

Three shunts, the changes at birth, and the drugs that open or close the ductus. A rapid, high-yield review of fetal circulation for medical students and exam candidates.

In this episode: • Ductus arteriosus: PA→aorta; closes w/ O2, indomethacin • Foramen ovale: R→L atrial shunt; closes w/ ↑LA pressure • Ductus venosus: bypasses liver; umbilical vein→IVC • PGE1 keeps DA open · indomethacin closes PDA

Exam pearl: Ductus venosus bypasses liver

⏱ 3:41 · Quick Medical Review — study smart, not hard. More episodes: https://www.youtube.com/@quickmedicalreview

Covers high-yield pediatrics for USMLE Step 2 CK, MRCP, PLAB and SMLE. Educational revision only — not medical advice.

From simple skin infection to surgical emergency — spotting the difference in time. A rapid, high-yield review of cellulitis & necrotizing fasciitis for medical students and exam candidates.

In this episode: • Cellulitis — spreading erythema, no defined border • Staph & Strep — most common organisms • Nec fasc — pain out of proportion, crepitus, surgical emergency • Gas gangrene — Clostridium perfringens • Fournier — perineal nec fasc

Exam pearl: Cellulitis = spreading erythema, no border → cephalexin / vanc (MRSA)

⏱ 4:34 · Quick Medical Review — study smart, not hard. More episodes: https://www.youtube.com/@quickmedicalreview

Covers high-yield dermatology for USMLE Step 2 CK, MRCP, PLAB and SMLE. Educational revision only — not medical advice.

Autoimmune beta-cell loss, DKA, and why insulin is always the answer. A rapid, high-yield review of diabetes mellitus type 1 for medical students and exam candidates.

In this episode: • Autoimmune beta-cell destruction → absolute insulin deficiency • Anti-GAD + anti-islet cell antibodies • DKA — feared, sometimes first presentation • C-peptide low → no endogenous insulin • Insulin — the only treatment, always required

Exam pearl: Type 1 = autoimmune, absolute deficiency, low C-peptide

⏱ 4:02 · Quick Medical Review — study smart, not hard. More episodes: https://www.youtube.com/@quickmedicalreview

Covers high-yield endocrine for USMLE Step 2 CK, MRCP, PLAB and SMLE. Educational revision only — not medical advice.