Uworld/ Rx review Flashcards
What are the components of the CURB-65 criteria?
Confusion Uremic (BUN over 19) Respiratory rate above 30 bpm SBP less than 90 or DBP less than 60 Age over 65
What are the three classic symptoms of Zn deficiency?
Dermatitis
Diarrhea
Alopecia
What is the screening test, and what is the diagnostic test for acromegaly?
Screening = ICF-1 assay Diagnostic = glucose tolerance testing
What is the role of Cr in the body?
Glucose tolerance–deficiencies will lead to glucose and lipid disturbances
What is the risk of high and low Co in the body?
High = cardiotoxic Low = nothing
What is the risk of high and low Cu in the body?
High = Wilson's disease Low = anemia, neutropenia
What is the risk of low Se in the body?
Deficiency can lead to cardiomyopathy and skeletal muscle dysfunction
An aneurysm of what artery can cause CN III palsies?
Posterior communicating artery
What are the abx of choice for Neisseria Gonorrhoeae?
Cephalosporins
What are the abx of choice for Chlamydia trachomatis?
Tetracyclines
What is the treatment for BV?
Metronidazole
What is the treatment for patient’s with a h/o PID, who want to become pregnant?
IVF
What is the MOA and use of clomiphene?
Estrogen receptor modulator that increases gonadotropin release and induces ovulation
What is the treatment for postmenopausal symptoms?
SSRIs (NOT estrogen/progesterone)
What is the difference in laboratory findings between Ehrlichiosis and RMSF?
Leukopenia occurs with ehrlichiosis, while hyponatremia and thrombocytopenia may occur with RMSF
What are the s/sx of tularemia?
Fever
pneumonia
Lung issues
What is a kerion?
boggy, tender, and exudative nodule that may occur in response to gunal tinea capitis infection
What is Black dot tinea capitis?
Tinea cause by Trichophyton tonsurans, causing scattered alopecia that does not resolve with topical antifungals, and causes hair to break off near the base of the hair
What is the bacteria that most commonly infects human bites?
Eikenella corrodens
What are the HACEK organisms?
haemophilus Actinobacteria Cardiobacterium Eikenella kingella
Pain in lymph nodes following alcohol consumption is pathognomonic for what?
Hodgkin’s lymphoma
What skin disease is associated with ulcerative colitis?
Pyoderma gangrenosum
What is the characteristic EEG findings of an absence seizure?
3 hz spike and slow wave
Periodic complexes, sharp EEG deflections occurring isolated, in pairs, or as triplets = ?
CJD
True or false: in cases of CO poisoning, arterial blood oxygen will be normal
True–CO does not affect the concentration of dissolved oxygen in the serum
What causes the increased anion gap with CO poisoning?
Lactic acid buildup
What is type I renal tubule acidosis?
Defect in distal hydrogen intercalated cells
What is type II renal tubule acidosis?
Defect in proximal bicarbonate resorption
Leads to acidemia and increased bone turnover
What is type IV renal tubule acidosis?
Deficiency of, or resistance to, aldosterone.
results in hyperkalemia
Amp B causes what type of kidney injury?
type I RTA
What is leukocytoclastic vasculitis?
Inflammatory reaction in small vessels, in organ systems like the skin and kidney.
What is the treatment for wet macular degeneration?
VEGF inhibitors (ranibizumab or bevacizumab) Thermal laser photocoagulation
What is the role of flow cytometry in diagnosing myelogenous leukemia?
None–used to see monoclonality in LEUKOcytes
What is the classic presentation of CML?
Neutrophilic leukocytosis and a left shift
What are the relative levels of leukocyte esterase in CML vs a leukemoid reaction?
High in leukemoid rxn
Low in CML
What is the treatment for CML?
Imatinib
Gynecomastia is associated with what type of lung cancer? How?
Adenocarcinoma
Produces Beta-human chorionic gonadotropin
What is the diagnostic test of choice for a pheo if high clinical suspicion? Low?
High = Plasma fractionated free metanephrine levels Low = 24-hour urine catecholamines/metanephrine
What drug is classically associated with membranous nephropathy?
Penicillamine
What are the classic side effects of methotrexate?
Pulmonary fibrosis
Megaloblastic anemia
What is the confirmatory test for HIV?
HIV1/HIV2 antibody test–NOT western blot
What is the psychopathology of red man syndrome?
Direct stimulation of mast cells by vancomycin
What is the reversal agent for beta-blocker overdose in severe cases?
Glucagon
What is the first line treatment for beta blocker overdose?
Isoproterenol
Atropine
What are the only two therapies that have proven survival benefit in COPD patients?
Oxygen and smoking cessation
What are the enzymatic and electrolyte changes associated with sarcoidosis?
Hypercalcemia
Increased ACE
What causes the hypercalcemia in sarcoidosis?
Increased production of 1,25 vit D by macrophages in the granulomas
What is the treatment for Mycosis fungoides that is limited to the dermis/epidermis?
Local nitrogen mustards
What is the treatment for Sezary syndrome?
Systemic chemo
What happens to DLCO in restrictive lung disease 2/2 obesity? D/t rheumatoid?
Obesity has normal DLCO
Rheumatoid has decreased DLCO
Optic gliomas are seen in NF1 or NF2?
NF1
Meningiomas are seen in MF1 or NF2?
NF2
What mm of induration for a PPD test is considered positive in a health care worker?
10 mm or greater
What are the indications for surgical intervention with PAD?
Rest pain
Nonhealing ulcers
Disabling claudication
When is a HIDA scan indicated in the work up of suspected cholecystitis?
If the US is equivocal
What is the most common bacteria to cause infective endocarditis with preexisting valve disease? What is the treatment for this?
Strep viridans
PCN G
What is the usual group of bacteria that causes infective endocarditis on prosthetic valves? What is the treatment for this?
Coagulase negative staph
Vancomycin
Enterococci infective endocarditis is seen in whom?
Patients with a h/o bowel surgery
What bacteria is implicated in infective valve disease associated with drug use?
Staph aureus
Which is more fatal: lymphocyte rich or poor Hodgkin’s lymphoma?
Lymphocyte depleted
What are the first and second line treatments for symptomatic sarcoidosis?
Prednisone
Methotrexate
What is the typical presentation of a Zenker’s diverticulum? (3)
Severe halitosis
spitting up of pills with mucus
Slow, progressive dysphagia
Which generally presents with mouth ulcers: CD or UC?
CD
What is post-transplant lymphoproliferative disorder?
Lymphoid/plasmacytic proliferations that occur in organ or hematopoietic stem cell transplant 2/2 chronic immunosuppression
What is the MOA and use of rituximab?
Anti-CD-20 antibody used to immunosuppression
Binds to CD20 on B cells, causing complement activation and killing
What are the s/sx of conduction aphasia?
Impaired repetition, but intact fluency and comprehension
What are the of the brain is implicated in broca’s aphasia? What vessel?
Right superior division of the middle cerebral artery
What metabolic disturbance is seen in sarcoidosis? Why?
Hypercalcemia
Granuloma produces 1,25 vit D3
What is the treatment for hypercalcemia?
IVFs
Calcitonin
What is the treatment for budd-chiari syndrome?
tPA and anticoagulation
What is the general presentation (labs wise) for budd-chiari syndrome?
Mildly elevated LFTs
Elevated alk phos
Tons of collateral veins in the liver on imaging
What is the best way to evaluate suspected bladder trauma?
Cystogram
What is the management for intraperitoneal vs extraperitoneal bladder rupture?
Intraperitoneal = surgical Extraperitoneal = Indwelling foley
What is the major risk factor for medullary carcinoma of the thyroid?
Genetic predisposition (MEN2a/2B)
What are the effects on the bowel of hypercalcemia?
Constipation
What is the MOA and use of bosentan?
Competitive endothelin-1 antagonist used to alleviate the effects of systemic sclerosis pHTN
What is the first line treatment for CREST syndrome?
Amlodipine
What is the treatment of raynaud phenomenon?
CCBs
How long must one wait to be put on an organ transplant list after having chemo for a cancer?
5 years
Otherwise ABSOLUTE contraindication