DIT Rapid Fire Facts Flashcards
Most common cause of neural tube defects
Folate deficiency
Most common cause of congenital malformatins in the US
Alcohol use during pregnancy
Most common cause of congenital mental retardation in the US
Fetal Alcohol Syndrome
Hyperflexible joints, arachnodactyly, aortic dissection, lens dislocation
Marfan Syndrome
Hereditary nephritis, cataracts, sensorineural hearing loss
Alport Syndrome
Unilateral facial drooping involving the forehead
Bell’s Palsy
Ptosis, miosis, & anhidrosis
Horner’s Syndrome
Amyloid deposits in gray matter of brain
Senile plaques (Alzheimer’s Disease)
Drooling farmer
Organophosphates (Cholinesterase inhibitor poisoning)
Inability to breastfeed, amenorrhea, cold intolerance
Sheehan Syndrome
Infertility, galactorrhea, bitemporal hemianopsia, low libido, amenorrhea
Prolactinoma
Most common tumor of the adrenal
Adrenal Adenoma
Most common tumor of the adrenal medulla (adults)
Pheochromocytoma
Most common tumor of the adrenal medulla (kids)
Neuroblastoma
Most common cause of primary hyperaldosteronism
Adrenal Adenoma (hyperplasia)
Medical treatment for hyperaldosteronism
Spironolactone
Pheochromocytoma, Medullary thyroid cancer, & hyperParathyroidism
MEN-2A
Pheochromocytoma, Medullary thyroid cancer, & Mucosal neuromas
MEN-2B
Adrenal disease associated with skin hyperpigmentation
Addison disease (Primary Adrenal Insufficiency)
HTN, Hypokalemia, & Metabolic alkalosis
Hyperaldosteronism (Conn syndrome)
Most comon thyroid cancer
Papillary Carcinoma
Cold intolerance
Hypothyroidism
Enlarged thyroid cells with ground-glass nuclei
Orphan Annie eyes seen in Papillary Carcinoma
Most common infections seen in chronic granulomatous disease
Catalase + organisms (Staph. aureus, E. coli, Aspergillus, Klebsiella, & Candida)
Eczema, recurrent URI, high serum IgE
Job’s Syndrome/Hyper-IgE Syndrome (can also describe Wiskott-Aldrich Syndrome, but more likely truncal eczema)
Large lysosomal vesicles in phagocytes
Chediak-Higashi Syndrome
Protease inhibitors (“Navir (never) tease a protease”)
Lopinavir, Atazanavir, Darunavir, Fosamprenavir, Saquinavir, Ritonavir, Indinavir
Protease inhibitors class side effects:
GI intolerance, Inhibit CYP450, Hyperlipidemia/ hypertriglyceridemia, Lipodystrophy
ASE: Pancreatitis
Ritonavir side effect
ASE: Nephrolithiasis
Ritonavir side effect
ASE: Hyperbilirubinemia, prolonged PR interval, jaundice
Atazanavir side effect
NRTIs (“Have you dined (vudine) with my nuclear (nucleosides) family?”):
Emtricitabine (FTC), Lamivudine (3TC), Zidovudine (ZDV, AZT), Didanosine (ddI), Stavudine (d4T), Abacavir
NRTIs must be activated by
Phosphorylation by thymidine kinase
NRTI class side effects
Lactic acidosis (except Abacavir)
ASE: Pancreatitis, Peripheral neuropathy, Hepatic Steatosis
Didanosine (esp. for pancreatitis & peripheral neuropathy), Stavuidine, Zalcitabine
ASE: Bone marrow suppression, Megaloblastic anemia
Zidovudine
Given to pregnant women w/ HIV
Used to be Zidovudine (now HAART)
Regimen for occupational HIV exposures
Zidovudine + Lamivudine (and maybe a 3rd med too)
NtRTI:
Tenofovir (TDF) - doesn’t require activation
NNRTIs (non-competitive) (-virine, -virapine, and -virenz, -virdine):
Nevirapine, Efavirenz, Delaviridine, Etravirine, Rilpivirine
NNRTI class side effects (& Abacavir)
Rash
ASE: Neuropsychiatric symptoms (nightmares, vivid dreams, worsening depression), False-positive marijuana (cannabinoid) drug test), Teratogenic
Efavirenz
Integrase inhibitors:
Raltegravir, Elvategravir
Integrase inhibitors class side effects:
Hypercholesterolemia, Hyperlipidemia, Pancreatitis, Hepatotoxicity
Drugs that interfere with HIV envelope proteins:
gp41 - Enfuviritide (fusion inhibitor); gp120 - Maraviroc (blocks CCR-5 receptor on macrophages & T-cells
Dysphagia, glossitis, and iron deficiency anemia
Plummer-Vinson Syndrome
Hematemesis with vomiting
Mallory-Weiss Syndrome
Specialized columnar epithelium/goblet cells on biopsy from distal esophagus
Barrett’s esophagus
Bx of pt. with esophagitis shows large pink intranuclear inclusions & host cell chromatin that is pushed to edge of the nucleus
Herpes Simplex Virus
Bx of pt. with esophagitis shows enlarged cells, intranuclear & cytoplasmic inclusions, and a clear perinuclear halo
CMV
Esophageal bx reveals lack of ganglion cells between inner and outer muscular layers
Achalasia
Bx of mass in parotid gland reveals double layer of columnar epithelial cells resting on dense lymphoid stroma
Warthin’s tumor
Protrusion of mucosa in the upper esophagus
Plummer-Vinson Syndrome
Outpouching of all layers of esophagus just above the LES
Epiphrenic diverticulum
Basal cell hyperplasia, eosinophilia, and elongation of lamina propria papilla seen in biopsy of esophagus
Chronic reflux esophagus
A PAS stain on bx obtained from pt. with esophagitis reveals hyphate organisms
Candida esophagitis
Esophageal pouch found in upper esophagus
Zenker’s diverticulum
Painless jaundice
Pancreatic Adenocarcinoma (esp. at head of pancreas)
Most common cause of acute pancreatitis
Gallstones & Alcohol
Most common cause of chronic pancreatitis
Alcohol abuse
Standard treatment for DKA
I.V. fluids, I.V. insulin, and K+
Standard treatment for Type 1 DM
Insulin and low-sugar diet
Standard treatment for Type 2 Diabetes Mellitus
Weight reduction (exercise), low sugar diet, oral hypoglycemic drugs (Metformin), possibly insulin
Weight loss, diarrhea, arthritis, fever, lymphadenopathy, and hyperpigmentation
Whipple’s disease
Anti-transglutaminase/ anti-gliadin/ anti-endomysial antibodies
Celiac sprue
Vitamin given to pregnant women to prevent neural tube defects
Folic acid
Total or subtotal atrophy of small bowel villi, plasma cells & lymphocyte infiltration into the lamina propria and epithelium, and hyperplasia/elongation of crypts
Celiac sprue
Triglyceride accumulation in hepatocytes
Fatty Liver Disease
Eosinophilic inclusions in cytoplasm of hepatocytes
Mallory bodies
Cancer closely linked to cirrhosis
Hepatocellular Carcinoma
Severe hyperbilirubinemia in a neonate
Crigler-Najjar Type 1
Mild, benign hyperbilirubinemia
Gilbert Syndrome
Treatment for chronic hepatitis
Interferon-alpha (IFN-a)
Preferred anticoagulant for immediate anticoagulation
Heparin or LMWH
Preferred anticoagulant for long-term anticoagulation
Warfarin
Preferred anticoagulant during pregnancy
Heparin or LMWH
A boy with self-mutilating behavior, mental retardation, and gout
Lesch-Nyhan Syndrome = HGPRT deficiency
Elevated uric acid levels
Gout, Lesch-Nyhan Syndrome, Tumor-lysis syndrome, Loop or thiazide diuretics, Cyclosporine, Pyrazinamide, Niacin
Bluish-colored lines on the gingivae
Burton’s lines in Lead poisoning
Causes of hypochromic, microcytic anemia
Iron deficiency, Thalassemias, Lead poisoning, Sideroblastic anemia (defect in heme synthesis), beginning of Anemia of Chronic Disease (ACD)
Hypersegmented neutrophils
Megaloblastic Anemia from B12 or folate deficiency or orotic aciduria
Skull x-ray shows a “hair-on-end” appearance
Beta-Thalassemia Major
Basophilic stippling of RBCs
Lead poisoning
Painful cyanosis of fingers and toes, w/ hemolytic anemia
Cold Agglutinins (IgM)
Red urine in the morning, and fragile RBCs
Paroxysmal Nocturnal Hematuria (PNH)
Basophilic nuclear remnants in RBCs
Howell-Jolly Bodies (seen after splenectomy)
Autosplenectomy
Sickle Cell Disease
Drug used to treat Sickle Cell Disease
Hydroxyurea (↑ production of HbF)
Antiplatelet antibodies
Immune Thrombocytopenic Purpura (ITP)
Bleeding disorder with GP Ib deficiency
Bernard-Soulier Disease
Most common inherited bleeding disorder
von Willebrand Disease
Cancer most commonly associated with a noninfectious fever
Hodgkin Lymphoma
Smudge cells
CLL
Punched out lytic bone lesions
Multiple Myeloma
Sheets of lymphoid cells, with a “starry sky” appearance
Burkitt’s Lymphoma
RBCs clumped together like a stack of coins
Rouleaux formation seen in Multiple Myeloma
Monoclonal antibody spike
MGUS, Multiple Myeloma, or Waldenstrom’s Macroglobulinemia
Reddish-pink rods in the cytoplasm of leukemic blasts
Auer rods of Myeloperoxidase seen in APL, a form of AML
Large B cells with bilobed nuclei and prominent “owl’s eye inclusions”
Reed-Sternberg cells in Hodgkin’s Lymphoma
Treatment of choice for rickets or osteomalacia
Vitamin D
Swollen gums, poor wound healing, bleeding mucous membranes, and spots on the skin
Scurvy = vitamin C/ascorbic acid deficiency
Most common vitamin deficiency in US
Folate deficiency
Hypersegmented neutrophils
Megaloblastic Anemia due to B12 or folate deficiency or orotic aciduria
Dilated cardiomyopathy, edema, and polyneuropathy
Beri-Beri, thiamine deficiency
Most common cancer of the appendix
Carcinoid Tumor
Most common surgical emergency
Appendicitis
GI hamartomas, hyperpigmentation of the mouth and hands
Peutz-Jeghers Syndrome
Multiple colon polyps, osteomas, soft tissue tumors
Gardner’s Syndrome
Severe RLQ pain with rebound tenderness
McBurney’s sign (Appendicitis)
Apple core lesion on barium enema
Colorectal Cancer
Most common site of colonic diverticula
Sigmoid colon
String sign on contrast X-ray
Crohn’s Disease
Lead pipe appearance of colon on contrast x-ray
Ulcerative Colitis
Food poisoning due to exotoxin
Staph. aureus, Bacillus cereus
Osteomyelitis in Sickle Cell Disease
Salmonella
Diarrhea caused by Gram negative nonmotile organism that does not ferment lactose
Shigella
Diarrhea caused by an S-shaped organism
Campylobacter jejuni
Diarrhea transmitted by pet feces
Yersinia enterocolitica
Diarrhea caused by Gram negative motile organism that does not ferment lactose
Salmonella
Most common cause of “traveler’s diarrhea”
ETEC
Diarrhea after a course of antibiotics
Clostridium difficile
Diarrhea caused by Gram negative lactose-fermenting bacteria, no fever
E. coli (esp. ETEC, EPEC)
Diarrhea caused by Gram negative comma-shaped organism, no fever
Vibrio cholerae (rice-water stools)
Diarrhea + recent ingestion of water from a stream
Giardia lamblia or Entamoeba histolytica
Food poisoning from undercooked hamburger meat
EHEC O157:H7
Ring-enhancing brain lesion in HIV patient
Toxoplasma gondii
Treatment for Trichomonas vaginalis
Metronidazole for pt. and partner
Most common protozoal diarrhea
Giardia lamblia
Most common helminth infection in the US
Enterobius vermicularis (pinworm)
2nd most common helminth infection in the US
Ascaris lumbricoides