10 results
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Evaluation Algorithm ... Check Uosm and/or Urine ... considered likely, the cause ... #Diagnosis #Workup ... #Evaluation #Algorithm
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... - Differential ... Diagnosis Algorithm ... #Magnesium #Low ... #Causes #Differential
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
Approach to Hypomagnesemia ... of magnesium = (urine ... #algorithm #differential ... #diagnosis #causes ... nephrology #magnesium #low
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... - Differential ... Diagnosis Algorithm ... mannitol, glucosuria Low ... #Causes
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... Workup Algorithm ... 1) Check Urine ... • Euvolemic (Low ... #Differential #
Hypercalcemia Evaluation
1) Clinical clues
 - Is the patient symptomatic?
 - Family history?
 - Have you done
1) Clinical clues ... FHH — check the urine ... FeCa <1 %) - Low ... #differential # ... #workup
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Algorithm Before ... A urine K/Cr ratio ... • Diarrhea A urine ... consumption • Low ... #differential #
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... normal volume-based algorithm ... Urine Na+K / serum ... can be high or low ... #differential #
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... alkalosis • Normal/low ... Gitelman syndrome, Hypomagnesemia ... the indicated causes ... #differential #
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
urine output. ... are excellent at evaluating ... the determined cause ... #algorithm #management ... #cardiology #treatment