USMLE Step 1

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1,546 cards·14 decks·Yours for life
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What's inside

Explore the curriculum, one focused deck at a time.

1Behavioral Health70 cards · Psychiatry and behavioral science — mood, anxiety, psychotic, personality, substance use disorders, psychopharmacology mechanisms, and neurotransmitter changes in disease.2Biostatistics, Epidemiology & EBM65 cards · Study designs, measures of association, diagnostic testing, bias and error, statistical tests, and evidence-based medicine.3Blood, Lymphoreticular & Immune148 cards · Hematology and oncology, hemostasis, and clinical immunology — anemias, leukemias, lymphomas, coagulation disorders, hypersensitivity, and immunodeficiencies.4Cardiovascular120 cards · Cardiac physiology, ischemic and valvular disease, heart failure, cardiomyopathies, arrhythmias, hypertension, vascular disease, congenital defects, and cardiovascular pharmacology.5Endocrine95 cards · Endocrine physiology and the pathology and pharmacology of the pituitary, thyroid, parathyroid, adrenal, and endocrine pancreas, including diabetes and MEN syndromes.6Foundational Sciences (General Principles)188 cards · Biochemistry, molecular biology, genetics, cell biology, and the general principles of microbiology, immunology, and pharmacology underlying every organ system.7Gastrointestinal105 cards · GI physiology, embryology, and the pathology of the esophagus, stomach, bowel, pancreas, liver, and biliary tract, plus GI pharmacology.8Multisystem, Nutrition & Genetics150 cards · The microbiology organism roster and antimicrobials, nutrition and vitamin disorders, general neoplasia and pathology, and inherited metabolic and chromosomal disease.9Musculoskeletal, Skin & Connective Tissue130 cards · Bone and muscle biology, arthritis, bone disorders and tumors, collagen and connective-tissue disease, dermatology, and MSK/derm pharmacology.10Nervous System & Special Senses110 cards · Neuroanatomy, neurophysiology, neuropathology, peripheral nerve and NMJ disorders, and the eye and ear — including stroke syndromes, neurodegeneration, and neuropharmacology.11Renal & Urinary90 cards · Renal physiology and transport, fluid/electrolyte and acid-base disorders, AKI and CKD, glomerular and tubulointerstitial disease, stones, urinary tract pathology, and diuretics.12Reproductive95 cards · Reproductive embryology and endocrine physiology, male and female pathology, breast disease, pregnancy and placental disorders, STIs, and reproductive pharmacology.13Respiratory90 cards · Pulmonary physiology and acid-base, obstructive and restrictive disease, vascular and infectious lung disease, neoplasms, and respiratory pharmacology.14Social Sciences, Ethics & Systems-based Practice90 cards · Medical ethics, communication, professionalism, patient safety and quality improvement, healthcare systems, and the social determinants of health.

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USMLE Step 1 flashcards across the preclinical sciences — 1,546 cards in 14 decks organized by system: foundational sciences, blood & immune, behavioral health, nervous system, musculoskeletal & skin, cardiovascular, respiratory, renal, GI, reproductive, endocrine, multisystem & genetics, biostatistics & epidemiology, and social sciences & ethics. Built from publicly available sources such as the USMLE Step 1 content outline. Cards are a memory-retention aid, not a substitute for study — check details against the official materials.