17 results
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Differential Diagnosis Algorithm ... Low intake ... oral intake Renal ... loss • Medication ... Differential #Diagnosis #Algorithm
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... Extra-renal Losses ... acidosis: Gl tract loss ... (Diarrhea) Renal ... Differential #Diagnosis #Algorithm
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... Sodium loss (diuretics ... can be high or low ... Hypothyroidism, Adrenal ... Primary polydipsia), Low
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Differential Diagnosis Algorithm ... GI LOSS - FeMg ... Malabsorption RENAL ... LOSS - FeMg > 2 ... Hypomagnesemia #Magnesium #Low
Shock - Differential Diagnosis Framework
 - MAP <65. SBP <90, drop in SBP > 40
 -
1.5 High CO / Low ... , Anaphylaxis, Adrenal ... Spinal Cord Injury Low ... Hypovolemic: Blood Loss ... #criticalcare #algorithm
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup Algorithm ... ): GI loss, Skin ... loss • Euvolemic ... (Low H2O intake ... Diagnosis #Workup #Algorithm
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
poor intake, Gl loss ... magnesium loss ... if renal function ... Hypomagnesemia #algorithm ... nephrology #magnesium #low
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... Gastrointestinal loss ... ↑ Aldosterone: Adrenal ... EABV, Low Plasma ... #differential #algorithm
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
diarrhea / IBD Renal ... Loses - Medications ... tubular dysfunction ... - Familial renal ... Differential #Diagnosis #Low
Causes of Non-Gap Metabolic Acidosis - Differential Diagnosis Algorithm
Normal Anion Gap (<14) (Loss of Bicarbonate) -
Differential Diagnosis Algorithm ... Diarrhea • Fistula Renal ... Loss - Direct Loss ... Cell Problem - Low ... Differential #Diagnosis #Algorithm