Classic Presentations Flashcards
Gout, intellectual disability, self-mutilating behavior in a boy
Lesch-Nyhan syndrome
HGPRT deficiency, x-linked recessive
Situs inversus, chronic sinusitis, bronchiectasis, infertility
Kartagener syndrome
Dynein arm defect affecting cilia
Blue sclera
Osteogenesis imperfecta
Type I Collagen Defect
Elastic skin, hypermobility of joints, increased bleeding tendency
Ehlers-Danlos syndrome
Type V collagen defect, type III collagen defect seen in vascular subtype of ED
Arachnodactyly, lens dislocation (upward), aortic dissection, hyperflexible joints
Marfan syndrome ("look UP at the ceiling FAN") Fibrillin defect
Cafe-au-lait spots (unilateral), polyostotic fibrous dysplasia, precocious puberty, multiple endocrine abnormalitie
McCune-Albright syndrome
Mosaic G-protein signaling mutation
NOTE: lethal if mutation occurs before fertilization (affecting all cells), but survivable in patients with mosaicism
Calf pseudohypertrophy
Muscular dystrophy
Most commonly Duchenne, due to x-linked recessive frameshift mutation of dystrophin gene
Child uses arms to stand up from squat
Duchenne muscular dystrophy
Gowers sign
Slow, progressive muscle weakness in boys
Becker muscular dystrophy
X-linked missense mutation in dystrophin; less severe than Duchenne
Infant with cleft lip/palate, microcephaly or holoprosencephaly, polydactyly, cutis aplasia
Patau syndrome
Trisomy 13
Infant with microcephaly, rocker-bottom feet, clenched hands, and structural heart defect
Edwards syndrome
Trisomy 18
Single palmar crease
Down syndrome
Dilated cardiomyopathy, edema, alcoholism, or malnutrition
Wet beriberi (thiamine - vitamin B1 - deficiency)
Dermatitis, dementia, diarrhea
Pellagra (niacin - vitamin B3 - deficiency)
Swollen gums, mucosal bleeding, poor wound healing, petechiae
Scurvy (vitamin C deficiency - can’t hydroxylate proline/lysine for collagen synthesis)
Chronic exercise intolerance with myalgia, fatigue, painful cramps, myoglobinuria
McArdle disease
Infant with hypoglycemia, hepatomegaly
Cori disease
Myopathy, exercise intolerance
Pompe disease
Cherry-red spot on macula
Tay-Sachs or Niemann-Pick, central retinal artery occlusion
Hepatosplenomegaly, pancytopenia, osteoporosis, aseptic necrosis of femoral head, bone crises
Gaucher disease
Achilles tendon xanthoma
Familial hypercholesterolemia
NOTE: AD
Anaphylaxis following blood transfusion
IgA deficiency
Male child, recurrent infections, no mature B cells
Bruton disease
X-linked agammaglobulinemia
Recurrent cold (noninflamed) abscesses, unusual eczema, high serum IgE
Hyper-IgE syndrom
Strawberry tongue
Scarlet fever
Kawasaki disease
Adrenal hemorrhage, hypotension, DIC
Waterhouse-Friderichsen syndrome
Red “current jelly” sputum in alcoholic or diabetic patients
Klebsiella pneumoniae PNA
Large rash with bull’s-eye appearance
Erythema chronicum migrans from Ixodes tick bite (Lyme)
Indurated, ulcerated genital lesion
Nonpainful: chancre (primary syphilis, treponema pallidum)
Painful with exudate: chancroid (H. ducreyi)
Pupil accommodates but doesn’t react
Neurosyphilis
Argyll Robertson pupil
Smooth, moist, painless, wart-like white lesions on genitals
Condylomata lata (secondary syphilis)
Fever, chills, headache, myalgia following antibiotic treatment for syphilis
Jarisch-Herxheimer reaction (rapid lysis of spirochetes results in endotoxin-like release)
Dog or cat bite resulting in infection
Pasteurella multocida
Rash on palms and soles
Coxsackie A
Secondary syphilis
Rocky Mountain spotted fever
Black eschar on face of patient with DKA
Mucor or rhizopus fungal infection
Chorioretinitis, hydrocephalus, intracranial calcifications
Congenital toxoplasmosis
Fever, cough, conjunctivitis, croyza, diffuse rash
Measles
Small, irregular red spots on buccal/lingual mucosa with blue-white centers
Koplik spots
Measles/rubeola virus
Back pain, fever, night sweats
Pott disease
vertebral TB
Child with fever later develops red rash on face that spreads to body
Erythema infectiosum/fifth disease (“slapped cheeks” apperance, caused by parvovirus B19)
Abdominal pain, diarrhea, leukocytosis, recent antibiotic use
C diff infection
Bounding pulses, wide pulse pressure, diastolic heart murmur, head bobbing
Aortic regurgitation
Systolic ejection murmur (crescendo-decrescendo)
Aortic stenosis
Continuous machine-like heart murmur
PDA
Chest pain on exertion
Angina (stable: with moderate exertion; unstable: with minimal exertion or at rest)
Chest pain with ST depressions on EKG
Angina or NSTEMI
Chest pain, pericardial effusion/friction rub, persistent fever following MI
Dressler syndrome (autoimmune-mediated post-MI fibrinous pericarditis, 2 weeks to several months after acute episode)
Painful, raised red lesions on pads of fingers/toes
Osler nodes (Infective endocarditis, immune complex deposition)
Painless erythematous lesions on palms and soles
Janeway lesions (Infective endocarditis, septic emboli/microabscesses)
Splinter hemorrhages in fingernails
Bacterial endocarditis
Retinal hemorrhages with pale centers
Roth spots (c/w bacterial endocarditis)
Distant heart sounds, distended neck veins, hypotension
Beck triad of cardiac tamponade
Cervical lymphadenopathy, desquamating rash, coronary aneurysms, red conjunctivae and tongue, hand-foot changes
Kawasaki disease
treat with IVIG and ASA
Palpable purpura on buttocks/legs, joint pain, abdominal pain (child), hematuria
Henoch-Schonlein purpura (IgA vasculitis affecting skin and kidneys)
Telangiectasias, recurrent epistaxis, skin discoloration, AVM, GI bleeding, hematura
Hereditary hemorrhagic telengiectasia
(Osler-Weber-Rendu syndrome)
NOTE: AD
Skin hyperpigmentation, hypotension, fatigue
Primary adrenocortical insufficiency (eg: Addison disease cuasing increase in ACTH and a-MSH production)
Cold intolerance
Hypothyroidism
Cutaneous/dermal edema due to deposition of mucoplysaccharides in connective tissue
Myxedema (caused by hypothyroidism, Graves disease [pretibial])
Facial muscle spams upon tapping
Chvostek sign
hypocalcemia
No lactation postpartum, absent menstruation, cold intolerance
Sheehan syndrome
postpartum hemorrhage leading to pituitary infarction
Deep, labored breathing/hyperventilation
DKA
Kussmaul respirations
Cutaneous flushing, diarrhea, bronchospasm
Carcinoid syndrome
right-sided cardiac valvular lesions, increase in 5-HIAA
Pancreatic, pituitary, parathyroid tumors
MEN 1
Thyroid tumors, pheochromocytoma, ganglioneuromatosis, Marfanoid habitus
MEN 2B (autosomal dominant RET mutation)
Thyroid and parathyroid tumors, pheochromocytoma
MEN 2A (autosomal dominant RET mutation)
Jaundice, palpable distended non-tender gallbladder
Courvoisier sign (distal malignant obstruction of biliary tree)
Painless jaundice
Cancer of the pancreatic head obstructing bile duct