USMLE Step 1 First Aid - Key Associations Flashcards
Give the most common/important Association for each Disease/Finding
Disease/finding: Actinic (solar) keratosis
Most common/important associations: Squamous cell carcinoma
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Disease/finding: Acute gastric ulcer associated w/ CNS injury
Most common/important associations: Cushing’s ulcer (increased ICP stimulates gastric secretion)
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Disease/finding: Acute gastric ulcer associated w/ severe burns
Most common/important associations: Curling’s ulcer (greatly reduced plasma volume results in sloughing of gastric mucosa)
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Disease/finding: Alternating areas of transmural inflammation and normal colon
Most common/important associations: Skip lesions (Crohn’s disease: autoimmune)
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Disease/finding: Aneurysm, dissecting
Most common/important associations: HTN
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Disease/finding: Aortic aneurysm, abdominal and descending aorta
Most common/important associations: Atherosclerosis
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Disease/finding: Aortic aneurysm, ascending
Most common/important associations: Tertiary syphilis
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Disease/finding: Atrophy of the mammillary bodies
Most common/important associations:
Wernicke’s encephalopathy (the Triad symptoms of ataxia, ophthalmoplegia, and confusion), caused by thiamine deficiency
Give the most common/important Association for each Disease/Finding
Disease/finding: Autosplenectomy (fibrosis and shrinkage)
Most common/important associations: Sickle cell anemia (HbS)
Give the most common/important Association for each Disease/Finding
Disease/finding: Bacteremia/pneumonia (IV drug user)
Most common/important associations: S. aureus
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Disease/finding: Bacteria associated w/ stomach cancer
Most common/important associations: H. pylori
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Disease/finding: Bacterial meningitis (adults and elderly)
Most common/important associations: Streptococcus pneumoniae
Give the most common/important Association for each Disease/Finding
Disease/finding: Bacterial meningitis (newborns and kids)
Most common/important associations: Group B streptococcus (newborns), S. pneumoniae/Neisseria meningitidis (kids)
Give the most common/important Association for each Disease/Finding
Disease/finding: Benign melanocytic nevus
Most common/important associations: Spitz nevus (most common in first two decades)
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Disease/finding: Bleeding disorder w/ GpIb deficiency
Most common/important associations: Bernard-Soulier dz (defect in platelet adhesion)
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Disease/finding: Brain tumor (adults)
Most common/important associations: Supratentorial: mets < astrocytoma (including glioblastoma multiforme) < meningioma < schwannoma
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Disease/finding: Brain tumor (kids)
Most common/important associations:
Infratentorial: medulloblastoma (cerebellum) or
supratentorial: craniopharyngioma (cerebrum)
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Disease/finding: Breast cancer
Most common/important associations: Infiltrating ductal carcinoma (in USA, 1 in 9 women will develop breast cancer)
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Disease/finding: Breast mass
Most common/important associations: 1.) Fibrocystic change 2.) Carcinoma (in postmenopausal women)
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Disease/finding: Breast tumor (benign)
Most common/important associations: Fibroadenoma
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Disease/finding: Bug in debilitated, hospitalized pneumonia patient
Most common/important associations: Klebsiella
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Disease/finding: Cardiac primary tumor (kids)
Most common/important associations: Rhabdomyoma
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Disease/finding: Cardiac manifestation of lupus
Most common/important associations: Libman-Sacks endocarditis (nonbacterial, affecting mitral)
Give the most common/important Association for each Disease/Finding
Disease/finding: Cardiac tumor (adults)
Most common/important associations: 1.) metastasis 2.) Primary myxoma (4:1 Left to right atrium; “ball and valve”)