RAPID REVIEW Flashcards
Gout, intellectual disability, self-mutilating behavior in a boy
Lesch-Nyhan Syndrome (HGPRT deficiency, XR)
Situs inversus, chronic ear infections, sinusitis, bronchiectasis, infertility
Kartagener syndrome (dynein arm defect affecting cilia)
Blue sclera
Osteogenesis Imperfecta (type 1 collagen defect)
Elastic skin, hyper-mobility of joints, increased bleeding tendency
Ehlers-Danlos syndrome (Type 5 collagen defect, type 3 collagen defect seen in vascular subtype of ED)
Arachnodactyly, lens dislocation (upward & temporal), aortic dissection, hyperflexible joints
Marfan syndrome (fibrillin defect)
Arachnodactyly, pectus deformity, lens dislocation (downward)
Homocystinuria (AR)
Cafe au lait spots (unilateral), polyostotic fibrous dysplasia - leading to uneven growth, precocious puberty, multiple endocrine abnormalities
McCune-Albright syndrome (Gs- protein activating mutation)
Meconium ileus in neonate, recurrent pulmonary infections, nasal polyps, pancreatic insufficiency, infertility/subfertility
Cystic fibrous (CFTR gene defect, chromosome 7, Phe508 deletion)
Calf pseudohypertrophy
Muscular dystrophy (most commonly Duchenne, due to XR frame shift 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 non-frameshift deletions in dystrophin; less severe than Duchenne)
Infant with cleft lip/palate, microcephalic or holoprosencephaly, polydactyly, cutis aplasia
Patau syndrome (trisomy 13)
Infant with microcephalic, rocker-bottom feet, clenched hands, & structural heart defect
Edwards syndrome (trisomy 18)
Single palmar crease
Down syndrome
Confusion, ophthalmoplegia/nystagmus, ataxia
Wernicke encephalopathy
Dilated cardiomyopathy/ high output heart failure, edema, alcoholism or malnutrition
Wet beriberi (thiamine/B1 deficiency)
Burning feet syndrome
Vitamin B5 deficiency
Dermatitis, dementia, diarrhea
Pellagra (niacin/B3 deficiency)
Swollen gums, mucosal bleeding, poor wound healing, petechiae
Scurvy (vitamin C deficiency: can’t hydroxylate proline/lysine for collagen synthesis)
- tea & toast diet
Bowlegs in children, bone pain, & muscle weakness
Rickets (children), osteomalacia (adults); vitamin D deficiency
Hemorrhagic disease of newborn with increased PT and PTT
Vitamin K deficiency
Bluish-black connective tissue, ear cartilage, sclera; urine turns black on prolonged exposure to air
Alkaptonuria (Homogentisate oxidase deficiency; ochronosis)
Chronic exercise intolerance with myalgia, fatigue, painful cramps, myoglobinuria
McArdle disease (skeletal muscle glycogen phosphorylase deficiency)
Infant with hypoglycemia, hepatomegaly
Cori disease (debranching enzyme deficiency) OR Von Gierke disease (glucose 6 phosphatase deficiency - more severe)
Myopathy (infantile hypertrophic cardiomyopathy), exercise intolerance
Pompe disease (lysosomal alpha 1,4 glucosidase deficiency)
“Cherry red spots” on macula
Tay Sachs (ganglioside accumulation) OR Neimann Pick (sphingomyelin accumulation), central retinal artery occlusion
Hepatosplenomegaly, pancytopenia, osteoporosis, avascular necrosis of femoral head, bone crises
Gaucher disease (glucocerebrosidase [beta-glucosidase] deficiency)
Achilles’ tendon xanthoma
Familial hypercholesterolemia (decreased LDL receptor signaling)
Recurrent Neisseria infection
Terminal complement deficiencies (C5-C9)
Anaphylaxis following blood transfusion
IgA deficiency
Male child, recurrent infections, no mature B cells
Bruton disease (X-linked agammaglobulinemia)
Recurrent cold (non-inflammed) abscesses, eczema, high serum IgE, increased eosinophils
Hyper IgE syndrome (Job syndrome: neutrophil chemotaxis abnormality)
Late separation (>30 days) of umbilical cord, no pus, recurrent skin & mucosal bacterial infections
Leukocyte adhesion deficiency (type 1; defective LFA-1 integrin)
Recurrent infections and granulomas with catalase + organisms
Chronic granulomatous disease (defect of NAPDH oxidase)
Fever, vomiting, diarrhea, desquamating rash following use of nasal pack or tampon
Staphylococcal toxic shock syndrome
“Strawberry tongue”
Scarlet fever
Kawasaki disease
Colon cancer diagnosed a few years after endocarditis
Streptococcus Bovis
Abdominal pain, diarrhea, leukocytosis, recent antibiotic use
Clostridium difficile infection
Flaccid paralysis in newborn after ingestion of honey
Clostridium botulinum infection (floppy baby syndrome)
Tonsillar pseudomembrane with “bull’s neck” appearance
Corynebacterium diphtheria infection
Back pain, fever, night sweats
Pott disease (vertebral TB)
Adrenal insufficiency, fever, DIC
Waterhouse-Friderichsen syndrome (meningococcemia)
Red “currant jelly” sputum in patients with alcohol overuse or diabetes
Klebsiella pneumoniae pneumonia
Large rash with bull’s eye appearance
Erythema migrans from Ixodes tick bite (Lyme disease: Borrelia)
Ulcerated genital lesion
Nonpainful, indurated: chancre (primary syphilis, Treponema pallidum)
Painful, with exudate: chancroid (Haemophilus ducreyi)
Pupil accommodates but doesn’t react to light
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 (due to host response to sudden release of bacterial antigens)
Dog or cat bite resulting in infection (cellulitis, osteomyelitis)
Pasteurella multocida (cellulitis at inoculation site)
Atypical “walking pneumonia” with x-ray looking worse than patient
Mycoplasma pneumoniae infection
Rash on palms and soles
Coxsackie A
Secondary syphilis
Rocky Mountain spotted fever
Chorioretinitis, hydrocephalus, intracranial calcifications
Congenital toxoplasmosis
Pruritus, serpiginous rash after walking barefoot
Hookworm (Ancylostoma spp, Necator americanus)
Child with fever later develops red rash on face that spreads to body
Erythema infectiosum/ fifth disease (“slapped cheeks” appearance, caused by parvovirus B19)
Fever, cough, conjunctivitis, coryza, diffuse rash
Measles
Small, irregular red spots on buccal/lingual mucosa with blue-white centers
Koplik spots (measles [rubeola] virus)
Bounding pulses, wide pulse pressure, diastolic heart murmur, head bobbing
Aortic regurgitation
Systolic ejection murmur (crescendo-decrescendo), narrow pulse pressure, pulses parvus et tardus
Aortic stenosis
Continuous “machine-like” heart murmur
PDA (close with indomethacin; keep open with PGE analogs)
Chest pain on exertion
Angina (stable: with moderate exertion; unstable: with minimal exertion or at rest)
Chest pain with ST depressions on ECG
Angina (neg. troponins) or NSTEMI (pos. Troponins)
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)
Distant heart sounds, distended neck veins, hypotension
Beck triad of cardiac tamponade
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/ micro-abscesses)
Splinter hemorrhages in fingernails
Bacterial endocarditis
Retinal hemorrhages with pale centers
Roth spots (bacterial endocarditis)
Telangiectasias, recurrent epistaxis, skin discoloration, arteriovenous malformations, GI bleeding, hematuria
Hereditary hemorrhagic telangiectasia (Osler-Weber-Rendu syndrome)
Polyuria (water diuresis), polydipsia
Primary polydipsia, diabetes insipidus (central, nephrogenic)
NO lactation postpartum, absent menstruation, cold intolerance
Sheehan syndrome (postpartum hemorrhage leading to pituitary infarction) - can lead to central hypothyroidism
Heat intolerance, weight loss, palpitations
Hyperthyroidism
Cold intolerance, weight gain, brittle hair
Hypothyroidism
Cutaneous/ dermal edema due to deposition of mucopolysaccharides in connective tissue
Myxedema (caused by hypothyroidism, Graves’ disease [pretibial])
Facial muscle spasm upon tapping
Chvostek sign (hypocalcemia)
Carpal spasm upon inflation of BP cuff
Trousseau sign (hypocalcemia)
Deep, labored breathing/hyperventilation
Diabetic ketoacidosis (Kussmaul respirations)
Skin hyperpigmentation, orthostatic hypotension, fatigue, weakness, muscle aches, weight loss, GI disturbances
Chronic primary adrenal insufficiency (Addison disease) —> increased ACTH, increased alpha-MSH
Shock, altered mental status, vomiting, abdominal pain, weakness, fatigue
Acute adrenal insufficiency (adrenal crisis)
Pancreatic, pituitary, parathyroid tumors
MEN 1 (AD MEN1 mutation)
Thyroid tumors, pheochromocytoma, ganglioneuromatosis, Marfanoid habitus
MEN 2B (AD RET mutation)
Thyroid and parathyroid tumors, pheochromocytoma
MEN 2A (AD RET mutation)
Cutaneous flushing, diarrhea, bronchospasm, heart murmur
Carcinoid syndrome (increased 5-HIAAA)
Jaundice, palpable distended non-tender gallbladder
Courvoisier sign (distal malignant obstruction of biliary tree)
Vomiting blood following gastroesophageal lacerations
Mallory-Weiss syndrome (alcohol use disorder, bulimia nervosa)
Dysphagia (esophageal webs), glossitis, iron deficiency anemia
Plummer Vinson syndrome (may progress to esophageal squamous cell carcinoma)
Enlarged, hard left supraclavicular node
Virchow node (abdominal metastasis)
Hematemesis, melena
Upper GI bleeding (eg peptic ulcer disease)
Hematochezia
Lower GI bleeding (eg colonic diverticulosis)
Arthralgias adenopathy, cardiac and neurological symptoms, diarrhea
Whipple disease (tropheryma whipplei)
Severe RLQ pain with palpating of LLQ
Rovsing sign (acute appendicitis)
Severe RLQ pain with deep tenderness
McBurney sign (acute appendicitis)
Hemartomatous GI polyps, hyperpigmented macules on mouth, feet, hands, genitalia
Peutz-Jeghers syndrome (inherited, benign polyposis can cause bowel obstruction; increased cancer risk, mainly GI)
Multiple colon polyps, osteomalacia/ soft tissue tumors, impacted/ supernumerary teeth
Gardner syndrome (subtype of FAP)
Severe jaundice in neonate
Crigler- Najjar syndrome (congenital unconjugated hyperbilirubinemia)
Golden brown rings around peripheral cornea
Wilson disease (Kayser-Fleischer rings due to copper accumulation)
Female, fat, fertile, forty
Cholelithiasis (gallstones)
Painless jaundice with enlarged gallbladder
Cancer of the pancreatic head obstructing bile duct
Bluish line on gingiva
Burton line (lead poisoning)
Short stature, cafe au lait spots, thumb/ radial defects, increased incidence of tumors/ leukemia, aplastic anemia
Fanconi anemia (genetic loss of DNA cross link repair; often progresses to AML)
Red/pink urine, fragile RBCs
Paroxysmal nocturnal hemoglobinuria
Painful blue fingers/toes, hemolytic anemia
Cold agglutinin disease (autoimmune hemolytic anemia caused by Mycoplasma pneumoniae, infectious mononucleosis, CLL)
Petechiae, mucosal bleeding, prolonged bleeding time
Platelet disorder (eg Glanzmann thrombasthenia, Bernard Soulier, HUS, TTP, ITP)
Fever, night sweats, weight loss
B symptoms of malignancy
Skin patches/plaques, Pautrier micro-abscesses, atypical T cells
Mycosis fungoides (cutaneous T cell lymphoma) or Sezary syndrome (mycosis fungoides + malignant T cells in blood)
Neonate with arm paralysis following difficult birth, arm in “waiter’s tip” position
Erb-Duchenne palsy (superior trunk [C5-C6] brachial plexus injury)
Anterior drawer sign +
Anterior cruciate ligament injury
Bone pain, bone enlargement, arthritis
Osteitis deformans (Paget disease of the bone, increased osteoblast and osteoclasts activity)
Swollen, hard, painful finger joints in an elderly individual, pain worse with activity
Osteoarthritis (osteophytes on PIP [Bouchard nodes], DIP [Heberden nodes])
Sudden swollen/painful big toe joint, tophi
Gout/ podagra (hyperuricemia)
Dry eyes, dry mouth, arthritis
Sjogren syndrome (autoimmune destruction of exocrine glands)
Urethritis, conjunctivitis, arthritis in a male
Reactive arthritis associated with HLA-B27
“Butterfly” facial rash, arthritis, cytopenia, and fever in a young female
Systemic lupus erythematosus
Cervical lymphadenopathy, desquamating rash,
coronary aneurysms, red conjunctivae and tongue, & hand-foot changes
Kawasaki disease (mucocutaneous lymph node syndrome, treat with IVIG and aspirin)
Palpable purpura on buttocks/legs, joint pain, abdominal pain (child), hematuria
Immunoglobulin A vasculitis (Henoch-Schonlein purpura, affects skin & kidneys)
Painful fingers/toes changing color from white to blue to red with cold or stress
Raynaud phenomenon (vasospasm in extremities)
Dark purple skin/mouth nodules in a patient with AIDS
Kaposi sarcoma, associated with HHV-8
Pruritic, purple, polyclonal planar papules & plaques (6 Ps)
Lichen planus
Ataxia, nystagmus, vertigo, dysarthria
Cerebellum lesion (lateral affects voluntary movement of extremities; medial affects axial & proximal movement)
Dorsiflexion of large toe with fanning of other toes upon plantar scrape
Babinski sign (UMN lesion)
Hyperphagia, hypersensitivity, hyperorality
Kluver- Bucy syndrome (bilateral amygdala lesion)
Resting tremor, athetosis, chorea
Basal ganglia lesion
Lucid interval after traumatic brain injury
Epidural hematoma (MMA rupture; branch of maxillary artery)
“Worst headache of my life”
Subarachnoid hemorrhage
Dysphagia, hoarseness, decreased gag reflex, nystagmus, ipsilateral Horner syndrome
Lateral medullary syndrome (posterior inferior cerebellar artery lesion)
Resting tremor, rigidity, akinesia, postural instability, shuffling gait, micrographia
Parkinson’s disease (loss of dopaminergic neurons in substantia nigra pars compacta)
Chorea, dementia, caudate degeneration
Huntington disease (AD CAG repeat expansion)
Urinary incontinence, gait apraxia, cognitive dysfunction
Normal pressure hydrocephalus
Nystagmus, intention tremor, scanning speech, bilateral internuclear ophthalmoplagia
Multiple sclerosis
Rapidly progressive limb weakness that ascends following GI/ upper respiratory infection
Guillain-Barré syndrome (acute inflammatory demyelinating polyneuropathy)
Cafe au lait spots, Lisch nodules (iris hamartoma), cutaneous neurofibromas, pheochromocytoma, optic gliomas
Neurofibromatosis type 1
Vascular birthmark (port-wine stain) of the face
Nevus flammeus (benign, but associated with Sturge- Weber syndrome)
Renal cell carcinoma (bilateral), hemangioblastomas, angiomatosis, pheochromocytoma
Von Hippel Lindau disease (deletion of VHL gene on chromosome 3p)
Bilateral vestibular schwannomas
Neurofibromatosis type 2
Hyperreflexia, hypertonia, Babinski sign present
UMN damage
Hyporeflexia, hypotonia, atrophy, fasciculations
LMN damage
Flaccid limb weakness, fasciculations, atrophy, bulbar palsy
UMN and LMN deficits
Staggering gait, frequent falls, nystagmus, hammer toes, diabetes mellitus, hypertrophic cardiomyopathy
Friedreich ataxia
Unilateral facial drooping involving forehead
LMN facial nerve (CN 7) palsy
UMN lesions spare the forehead
Episodic vertigo, tinnitus, sensorineural hearing loss
Meniere disease
Ptosis, miosis, anhidrosis
Horner syndrome (sympathetic chain lesion)
Conjugate horizontal gaze palsy, horizontal diploma
Internuclear ophthalmoplegia (damage to MLF; may be unilateral or bilateral)
“Waxing and waning” level of consciousness (acute onset), decreased attention span, decreased level of arousal
Delirium (usually secondary to other cause)
Polyuria, renal tubular acidosis type 2, growth retardation, electrolyte imbalances, hypophosphatemic rickets
Fanconi syndrome (multiple combined dysfunction of the PCT)
Periorbital and/or peripheral edema, proteinuria (>3.5g/day), hypoalbuminemia, hypercholesterolemia
Nephrotic syndrome
Hereditary nephritis, sensorineural hearing loss, retinopathy, lens dislocation
Alport syndrome (mutation in type 4 collagen)
Wilms tumor, macroglossia, organomegaly, hemihyperplasia, omphalocele
Beckwith- Wiedemann syndrome (WT2 mutation)
Streak ovaries, congenital heart disease, horseshoe kidney, cystic hygroma, short stature, webbed neck, lymphedema
Turner syndrome (45,XO)
Red, itchy, swollen rash of nipple/areola
Paget disease of the breast (sign of underlying neoplasm)
Ovarian fibroma, ascites, pleural effusion
Meigs syndrome
Fibrous plaques in tunica albuginea of penis with abnormal curvature
Peyronie disease (connective tissue disorder)
Hypoxemia, polycythemia, hypercapnia
Chronic bronchitis (hypertrophy and hyperplasia of the mucous cells, “blue bloater”)
Pink complexion, dyspnea, hyperventilation
Emphysema (“pink puffer”, centriacinar [smoking] or panacinar [alpha-1 antitrypsin deficiency)
Bilateral hilar adenopathy, uveitis
Sarcoidosis (noncaseating granulomas)
Cholangiocarcinoma
Pancreatic adenocarcinoma
RAS (GTP binding protein)
Burkitt Lymphoma
MYC (transcription factor)
Lung adenocarcinoma
ERBB1 (EGFR) - (receptor tyrosine kinase)
Breast cancer
ERBB2 (HER2) - (receptor tyrosine kinase)
Chronic myelogenous leukemia
ABL (nonreceptor tyrosine kinase)
Hairy cell leukemia
Melanoma
BRAF (Ras signal transduction)
Breast & ovarian cancer
BRCA 1/2 (DNA repair genes)
Colon, gastric, & pancreatic cancer
Familial adenomatous polyposis
APC/ Beta catenin (Wnt signaling pathway)
Most cancers
Li Fraumeni syndrome
TP53 (genomic stability)
Retinoblastoma
Osteosarcoma
RB (G1/S transition inhibitor)
Wilms tumor
WT1 (Urogenital differentiation)
Renal cell carcinoma
Von Hippel Lindau syndrome
VHL (ubiquitin ligase component)
Consolidation
Increased breath sounds
Increased fremitus
Dullness to percussion
Pleural effusion
Decreased or absent breath sounds
Decreased tactile fremitus
Dullness to percussion
Pneumothorax
Decreased or absent breath sounds
Decreased tactile fremitus
Hyper resonance to percussion
Atelectasis
Decreased or absent breath sounds
Decreased tactile fremitus
Dullness to percussion