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  #1  
Old 09-19-2011
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Urine Sample The cause of this patient urinary findings!

45 year old male smoker comes with h/o back pain xray chest reveals opacities. pt is known hypertensive taking diuretic
serum findings K 3.5meq/l, Na 125meq/l. Urine findings Na 130 meq/l, k 5.5meq/l

What is the cause of his urinary findings?
a) renal failure
b) diuretics
c) SIADH
d) doxorubicin
e) hyper reniemic hypo aldosteronism
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The above post was thanked by:
MANIAKOS (09-20-2011), neha_subh (01-28-2013), riya10 (09-20-2011), Wajahat (01-28-2013)



  #2  
Old 09-19-2011
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c) SIADH I think.
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Old 09-19-2011
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I think this should be SIADH. Pt is smoker so Ectopic ADH from small cell ca.
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Old 09-19-2011
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c)SIADH i think small cell ca lung with hyponatremia (excess ADH cause retention of water and lose na in urine )
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Old 09-19-2011
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Diuretics may be culprit bcz of hypokelemia!!!
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Old 09-19-2011
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B. Diuretics
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  #7  
Old 09-20-2011
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i think its diuretics
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Old 09-20-2011
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b) diuretics
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Old 09-20-2011
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how to differentiate btw furosemide(diuretic) and siadh on urinary electrolytes??
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Old 09-20-2011
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i would think its a paraneoplasic syndrome... SIADH, increased ADH, increased water reabsorption, and dilutional hyponatremia. But then again, i'm not sure.
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  #11  
Old 09-20-2011
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I agree

i guess its diuretic.. because SIADH causes dilution of serum.. so K+ also should be diluted and con'n should be decreased...
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  #12  
Old 09-20-2011
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Diuretics cause...
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Old 09-21-2011
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SIADH I think
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Old 01-28-2013
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Default what is correct answer

correct answer plz
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Old 01-28-2013
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Laboratory findings in diagnosis of SIADH include:
  • Euvolemic hyponatremia <134 mEq/L, and POsm <275 mOsm/kg OR ( POsm - Serum [Urea]mmol/l < 280 mOsm/kg )
  • Urine osmolality >100mOsm/kg of water during hypotonicity
  • Urine sodium concentration >40 mEq/L with normal dietary salt intake
  • Normal Acid-Base, K+ balance
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  #16  
Old 01-28-2013
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Quote:
Originally Posted by umajeed90 View Post
45 year old male smoker comes with h/o back pain xray chest reveals opacities. pt is known hypertensive taking diuretic
serum findings K 3.5meq/l, Na 125meq/l. Urine findings Na 130 meq/l, k 5.5meq/l

What is the cause of his urinary findings?
a) renal failure
b) diuretics
c) SIADH
d) doxorubicin
e) hyper reniemic hypo aldosteronism

its SIADH .. umair bhai ...
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  #17  
Old 01-28-2013
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small cell carcinoma----ectopic production of ADH --------SIADH
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  #18  
Old 01-28-2013
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it is siadh
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Pathology-, Pharmacology-, Physiology-, Renal-, Step-1-Questions

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