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  1. USMLE Step 1 Forum
    Please enlighten me.
  2. USMLE Step 1 Forum
    Hi friends Please explain me Why one of Cushing's syndrome characteristics is polyuria?! Thanks a lot for answers!
  3. USMLE Step 1 Forum
    A 45 y/o woman is hospitalized after an automobile accident. The physician collects 1.44L of urine from the patient in a 24hr period. The clinical lab returns the following result. Plasma creatinine con : 2.0 mg/ml Plasma urea con : 15 umol/ml Urine creatinine con : 100 mg/ml Urine urea con ...
  4. USMLE Step 1 Forum
    In a patient with chronic heart failure now having pulmonary edema what will happen to potassium and chloride levels??
  5. USMLE Step 1 Mnemonics
    if you assign a color abb. to down, up and no change (R)red= down (Y)yellow no change (G) green up and abbreviate everything else you get (Guy who got...
  6. USMLE Step 1 Forum
    Hi, I'm confused about the posting on wikipedia about protein electrophoresis Does nephrotic syndrome affect the albumin spike more or the albumin/alpha-1 interzone? Thanks so much!
  7. USMLE Step 1 Forum
    Hi, Does anyone here know of any bacterial causes of membranoproliferative glomerulonephritis? Thanks!
  8. USMLE Step 1 Forum
    According to 2010 FA, postrenal ARF will present urine osmolarity<350, urine Na>40, FENa>4 and BUN/Cr>15. My question is what is the primary demage site/mechanisms accounting for these biochemical abnormalities? Any thoughts would be appreciated.
  9. USMLE Step 1 Forum
    A young African American woman has normal physical exam except lab study reveals microscopic hematuria, BUN and creat normal. what is the first step in work up? :rolleyes: hint .... oxygen tension in renal medulla
  10. USMLE Step 1 Forum
    I know in the heat of things we get these two mixed up - but Lets make sure we remember which is which for example, which accumulates in Lesch Nyhan syndrome or any other conditions... I think Lesch Nyhan is Uric acid - can someone confirm? I get confused because OTC deficiency and...
  11. USMLE Step 1 Forum
    Why there is Hypokalemia in Salicylate poisoning.................
  12. USMLE Step 1 Forum
    There are these little things that UW is confusing me with. UW mentioned in one explanation that hyaline "acellular" arteriolosclerosis is a result of mild hypertension (the common essential hypertension), but in another explanation it says it's a result of diabetic microangiopathy, while only...
  13. USMLE Step 1 Forum
    Dr. Goljan and wiki say that henosch schonlein purpura is essentially a systemic IgA nephropathy but they seem to me have different presentations. Can someone help me distinguish the two if you don't have the purpura? If I have a question with IgA nephropathy symptoms is the a common...
  14. USMLE Step 1 Forum
    Hi there - I thought I'd share this in case this helps someone - Rapidly progressing glomerulonephritis comes in 3 types: Type 1 involves anti glomerulo basement membrane antibodies and includes Goodpastures Type 2 involves immune complex deposition and so a lumpy bumpy pattern and can be...
  15. USMLE Step 1 Forum
    Hey guys, I was reading up on Nephritic Glomerular dz's in Rapid Review path and for IgA glomerulopathy (Berger's dz) i noticed it says its due to: "Increased mucosal synthesis and DECREASED CLEARANCE OF IgA; INCREASED SERUM IgA" when I looked up IgA glomerulopathy in First Aid 2010, it's says...
  16. USMLE Step 1 Forum
    An 18 year-old college freshman notices difficulty in removing and replacing his shoes at the end of the day and his face appears to be "puffy" and swollen. Over the ensuing two weeks he develops noticeable swelling of his legs all the way up to his thighs. Other than tonsillectomy at age 3, he...
  17. USMLE Step 1 Forum
    A 65 year-old male presents with a 4-6 month history of intermittent production of red-tinged urine. Physical exam reveals a well nourished patient with slightly enlarged prostate and no other abnormal findings. Initial laboratory data reveals: -hemoglobin 18.7 g/dl (normal: 13.0-18.0 g/dL)...
  18. USMLE Step 1 Forum
    A 62 year old man with advanced cirrhosis is treated with lactulose for hepatic encephalopathy. On physical examination he is confused and has asterixis. Blood pressure is 100/60 while the patient is supine and his pulse rate is 110 beats per minute. There is no peripheral edema, but ascites is...
  19. USMLE Step 1 Mnemonics
    Clearance = GFR = UV/P U is the urine concentration, V is the volume of urine, and P is the plasma concentration To remember this, think of UV light shining on Pee :)
  20. USMLE Step 1 Forum
    Medullary segment of thick ascending limb - where the Na/K-2Cl pump is - which is where loop diuretics block. The Na/K-2Cl pump generates free water. The two type of water in urine: obligated and free. If the water is obligated, then the water is obligated to go out with every Na, K, and Cl...
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