Correcting sodium of the Hyponatremic pt....

Provided the case before, what is the total amount of sodium in Meq's you need to replace if the pt weight is 70 kg's and your target sodium is 127 (from 118)?

a)378
b)315
c)500
d)269
e)300

ANSWER: a) 378 (Formula for sodium defecit is (desired-actual sodium) x body wt x 0.6 (male) or 0.5(Female)

Regarding Hyponatremia

A 70 year old  male is admitted with the complaints of confusion and irrelevant talking forthe last 3 days.
He was started on thiazide diuretic one week back for increased blood pressures. Labs showed serum sodium of 118.
What is the target sodium for replacement in the next 24 hours?

a)122
b)127
c)137
d)140
e)124

ANSWER : B)127 (In setting of acute hyponatremia,sodium is to be corrected by 9)