First Aid (TM) Cases for the USMLE Step 1

PART I. GENERAL PRINCIPLESBehavioral SciencesCase 1: Alcohol WithdrawalCase 2: Anorexia NervosaCase 3: Benzodiazepine OverdoseCase 4: DeliriumCase 5: Drug IntoxicationCase 6: Infant Development Case 7: Operant ConditioningCase 8: Opioid WithdrawalCase 9: Sleep PhysiologyCase 10: Sleep StagesBiochemistryCase 1: AlkaptonuriaCase 2: Cyanide PoisoningCase 3: Fragile X SyndromeCase 4: Fructose IntoleranceCase 5: HomocystinuriaCase 6: Hurler's SyndromeCase 7: Lesch-Nyhan SyndromeCase 8: McArdle's DiseaseCase 9: PhenylketonuriaCase 10: Pyruvate Dehydrogenase DeficiencyCase 11 Tay-Sachs DiseaseCase 12 Thiamine DeficiencyCase 13 Von Gierke's DiseaseMicrobiology & ImmunologyCase 1: Actinomyces vs NocardiaCase 2: AnthraxCase 3: AscariasisCase 4: AspergillosisCase 5: CandidiasisCase 6: Chagas DiseaseCase 7: CholeraCase 8: Congenital SyphilisCase 9: Creutzfeld-Jakob DiseaseCase 10: Cryptococcal MeningitisCase 11: CystericosisCase 12: DiptheriaCase 13: ElephantiasisCase 14: GiardiasisCase 15: Hand, Foot, and Mouth DiseaseCase 16: HookwormCase 17: InfluenzaCase 18: Kaposi's SarcomaCase 19: Legionella InfectionCase 20: LeprosyCase 21: Listeria MeningitisCase 22: Lyme DiseaseCase 23: MalariaCase 24: MeaslesCase 25: MononucleosisCase 26: MumpsCase 27: Neisseria meningitidis MeningitisCase 28: OnchocerciasisCase 29: OsteomyelitisCase 30: PinwormCase 31: Pneumocystis jiroveci PneumoniaCase 32: Poison IvyCase 33: PolioCase 34: Pseudomonas aeruginosa InfectionCase 35: RabiesCase 36: RingwormCase 37: Rotavirus InfectionCase 38: SchistosomiasisCase 39: ShinglesCase 40: StrongyloidiasisCase 41: Systemic MycosisCase 42: Toxic Shock SyndromeCase 43: ToxoplasmosisCase 44: TuberculosisCase 45: Yellow FeverPharmacologyCase 1: Acetaminophen OverdoseCase 2: Agranulocytosis Secondary to Drug ToxicityCase 3: Benzodiazepine OverdoseCase 4: Beta-Adrenergic Second Messenger SystemsCase 5: Cholinergic DrugsCase 6: Drug DevelopmentCase 7: Drug-Induced LupusCase 8: PharmacodynamicsCase 9: PharmacokineticsPART II: ORGAN SYSTEMSCardiovascular SystemCase 1: Abdominal Aortic AneurysmCase 2: Aortic StenosisCase 3: AtherosclerosisCase 4: Atrial FibrillationCase 5: Atrioventricular BlockCase 6: Coarctation of the AortaCase 7: Congestive Heart FailureCase 8: Coronary Artery DiseaseCase 9: EndocarditisCase 10: HypertensionCase 11: Kawasaki's DiseaseCase 12: Myocardial InfarctionCase 13: Obstruction of Superior Mesenteric Artery/ Inferior Mesenteric ArteryCase 14: PericarditisCase 15: Polyarteritis NodosaCase 16: Rheumatic Heart DiseaseCase 17: Temporal ArteritisCase 18: Tetralogy of FallotCase 19: Wegener's GranulomatosisCase 20: Wolf-Parkinson-White SyndromeEndocrine SystemCase 1: 11-ss Hydroxylase DeficiencyCase 2: 21-ss Hydroxylase DeficiencyCase 3: Addison's DiseaseCase 4: Conn's SyndromeCase 5: Cushing's SyndromeCase 6: Diabetes MellitusCase 7: GoutCase 8: Graves' DiseaseCase 9: HyperparathyroidismCase 10: HypothyroidismCase 11: Multiple Endocrine Neoplasia Type IIACase 12: Painless JaundiceCase 13: PheochromocytomaCase 14: PseudohypoparathyroidismCase 15: ThyroidectomyGastrointestinal SystemCase 1: AchalasiaCase 2: Acute PancreatitisCase 3: Alcoholic CirrhosisCase 4: AppendicitisCase 5: Barrett's EsophagusCase 6: CholelithiasisCase 7: Crigler-Najjar SyndromeCase 8: Diverticular DiseaseCase 9: Esophageal Atresia/FistulaCase 10: GastrinomaCase 11: Hepatitis B Virus InfectionCase 12: Hepatitis C Virus InfectionCase 13: HyperbilirubinemiaCase 14: Lower Gastrointestinal BleedingCase 15: PellagraCase 16: Pseudomembranous Colitis/Clostridium difficile InfectionCase 17: Short Bowel Syndrome/MalabsorptionCase 18: Upper Gastrointestinal Tract BleedingCase 19: Vitamin B12 DeficiencyCase 20: Zollinger-Ellison SyndromeHematology and OncologyCase 1: Acute Intermittent PorphyriaCase 2: Acute Myeloid LeukemiaCase 3: Aplastic AnemiaCase 4: Beta-ThalassemiaCase 5: Breast CancerCase 6: Carcinoid SyndromeCase 7: Colorectal CancerCase 8: Disseminated Intravascular CoagulationCase 9: Gastric CancerCase 10: Glioblastoma MultiformeCase 11: Glucose-6-Phosphate Dehydrogenase (G6PD) DeficiencyCase 12: Head and Neck CancerCase 13: HemochromatosisCase 14: Idiopathic Thrombocytic PurpuraCase 15: Lead PoisoningCase 16: Lung Cancer (Pancoast's Syndrome)Case 17: Macrocytic AnemiaCase 18: Microcytic AnemiaCase 19: Multiple MyelomaCase 20: NeuroblastomCase 21: OligodendrogliomaCase 22: Ovarian Cancer (Sertoli-Leydig Tumor)Case 23: Pancreatic CancerCase 24: PolycythemiaCase 25: RetinoblastomaCase 26: Sickle Cell AnemiaCase 27: Small Cell Carcinoma of the LungCase 28: SpherocytosisCase 29: Splenic InjuryCase 30: Testicular CancerCase 31: von Willebrand's DiseaseMusculoskeletal System and Connective TissueCase 1: CostochondritisCase 2: Gun Shot Wound to Left FlankCase 3: Hip FractureCase 4: Inguinal HerniaCase 5: Knee PainCase 6: Muscular DystrophyCase 7: NeurofibromatosisCase 8: Osteogenesis Imperfecta Case 9: Rotator Cuff TearCase 10: Subclavian Stab WoundNeurology and PsychiatryCase 1: Alzheimer's DiseaseCase 2: AutismCase 3: Bipolar DisorderCase 4: Brown-Sequard SyndromeCase 5: Central Cord SyndromeCase 6: Corneal Abrasion/Eye InjuryCase 7: Damage to Recurrent Laryngeal NerveCase 8: DepressionCase 9: Femoral NeuropathyCase 10: Generalized Anxiety DisorderCase 11: GlaucomaCase 12: Gullaine-Barre SyndromeCase 13: Horner's SyndromeCase 14: Huntington's DiseaseCase 15: HydrocephalusCase 16: Macular DegenerationCase 17: Middle Ear Infection/Ear AnatomyCase 18: MigraineCase 19: Multiple SclerosisCase 20: Myasthenia GravisCase 21: Obsessive-Compulsive DisorderCase 22: Obsessive-Compulsive Personality DisorderCase 23: Panic DisorderCase 24: Parkinson's DiseaseCase 25: SchizophreniaCase 26: Seizures/Status EpilepticusCase 27: Somatoform DisorderCase 28: Spinal Cord CompressionCase 29: Steroid-Induced ManiaCase 39: StrokeCase 31: Subarachnoid HemorrhageCase 32: Subdural HematomaCase 33: SyncopeCase 34: Tardive DyskinesiaCase 35: Transient Ischemic AttackCase 36: Vestibulo-Ocular ReflexesCase 37: Viral MeningitisCase 38: von Hippel-Lindau DiseaseCase 39: Wernicke-Korsakoff SyndromeCase 40: Ulnar Nerve DamageCase 1: Acute Tubular NecrosisCase 2: Adult Polycystic Kidney DiseaseCase 3: Alport's SyndromeCase 4: Henoch-Schoenlein PurpuraCase 5: HypercalcemiaCase 6: HypokalemiaCase 7: Minimal Change DiseaseCase 8: Nephrotic SyndromeCase 9: PyelonephritisCase 10: Renal Artery Stenosis/Hypertension/Renin-Angiotensin-Aldosterone AxisCase 11: Renal CalculiCase 12: Syndrome of Inappropriate Secretion of ADHCase 13: Transplant ImmunologyCase 14: Urinary RefluxReproductive SystemCase 1: Abruptio PlacentaeCase 2: Bacterial VaginosisCase 3: Breast MassCase 4: Ectopic PregnancyCase 5: EndometriosisCase 6: Fitzhugh-Curtis Syndrome Case 7: Gestational DiabetesCase 8: LeiomyomaCase 9: Paget's Disease of the BreastCase 10: PreeclampsiaCase 11: Turner's SyndromeRespiratory SystemCase 1: AsbestosisCase 2: AsthmaCase 3: Chronic Obstructive Pulmonary DiseaseCase 4: Community-Acquired PneumoniaCase 5: Congenital Cystic Adenomatoid Malformation of the LungCase 6: Cystic FibrosisCase 7: EmphysemaCase 8: Epiglottis due to Haemophilus influenzae InfectionCase 9: Malignant Pleural EffusionCase 10: Mycoplasma PneumoniaCase 11: Pulmonary EmbolismCase 12: Respiratory AcidosisCase 13: SarcoidosisCase 14: Spontaneous PneumothoraxCase 15: Thoracic Outlet Obstruction (Klumpke's Palsy)