Upgrade to remove ads
Renal: HYPO/HYPER Natremia
Terms in this set (25)
What serum Na+ level constitutes "Hyponatremia"?
Na+ <135 mEq
What are clinical features of hyponatremia?
- m. twitching
What will the Dx studies below show in:
-Chest CT (what are you r/o?)
-Na+ urine= will increase/decrease d/t cause
-Chest CT= r/o SCLC
What is the Tx for:
Na+ < 125 mEq/L
-Tx underlying cause
Decreased ECF is also called ______?
Hypovolemic hyponatremia is casued by?
↑ ADH leading to hyponatremia in free H20 intake
Diagnostic studies of hypovolemic hyponatremia show ________ in urine Na+?
Urine Na+ <20-30mM (in a clinical setting of no hypovolemia)
What is the Tx for hypovolemic hyponatremia?
What is a key point to remember when Tx someone with hypovolemic hyponatremia?
Monitor volume status!!!
What does "hypervolemic" mean?
In hypervolemic hyponatremia, what happens to the H2O and Na+ in the ECF?
H20 & Na+↑ in ECF (H20 more so)
Na+ becomes diluted
Peripheral edema occurs
What are some causes of hypervolemic hyponatremia? (3)
What does isovolemic mean?
What are the key points to remember in isovolemic hyponatremia?
-Na+ may be norm, BUT may appear ↓ d/t too much H20 in body
What are the causes of isovolemic hyponatremia? (4)
(2nd to adrenal failure)
What does "SIADH" stand for?
-Syndrome-Inappropriate AntiDiuretic Hormone" secretions
Urine Na+ of _______ indicates isovolemia hyponatremia? What does this value indicate?
At what point is hypernatremia determined in the serum Na+ levels? Na+:H2O must be_____?
-Serum Na+ >145mEq
-Excess Na+ relative to H20 (Na+>H20)
Whar are the causes of hypernatremia? (many)
-H20: deficient in thirst mechanism; -fever/heat stroke (elderly/athletes);
-severe watery diarrhea (esp. in kids)
-Excessive Na+ intake: salt tabs;
-Near salt H20 drownings;
What does the nmeumonic "SALT" mean in regards to the clinical presentation of hypernatremia?
What are the clinical features of hypernatremia?
What do the following Dx studies look like when a Pt. is hypernatremic?
Urine Na+: _______
Urine Concentration: ___________
increase with Renal cause
decrease with Extrarenal cause
Diab. Insipidus- diluted
What is the Tx process for someone that is hypernatremic?
Admit/tx underlying cause
Free oral H20
1st: Tx ↓ volemia
2nd: Tx ↑ natremia
Dialysis: if Na+ > 200mEq
What do you need to be cautious about when Tx hypernatremia?
CAUTION: rapid correction can cause pulmonary or cerebral EDEMA!!
What are the key, take home points about hypernatremia?
-Occurs less than Hyponatremia
Hypothallmus: ↑ thirst
ADH: H20 retention
THIS SET IS OFTEN IN FOLDERS WITH...
GU 2 - Scrotal Infections (Kanzler's Wor…
GU 2 - Prostate Conditions (Kanzler's Wo…
Renal: HYPO/HYPER Electrolytes
GU 2 - Testicular Torsion (Kanzler's Wor…
YOU MIGHT ALSO LIKE...
Alterations in Fluid and Electrolyte Balance- Exam…
Electrolyte Disorders - exam 2
Electrolyte Imbalance (Med Surg 1)
OTHER SETS BY THIS CREATOR
Women's Health EOR
Emergency Medicine EOR
Internal Medicine EOR