14 results
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
Hypomagnesemia #algorithm ... #differential # ... diagnosis #causes ... #nephrology #magnesium ... #low
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Diagnosis Algorithm ... treat underlying cause ... Disease, Meds (Opiates ... #diagnosis #nephrology ... #sodium
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential ... Diagnosis Algorithm ... water loss, Serum Sodium ... mannitol, glucosuria Low ... #Causes
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... potassium(K) & magnesium ... #differential # ... potassium #nephrology ... #low
Dizziness and Vertigo Algorithm
Presyncope:
 • Feels "faint" or like they are going to "pass out"
 •
Dizziness and Vertigo Algorithm ... Associated with nausea ... #dizzy #differential ... #diagnosis #neurology ... #management
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 ... can be high or low ... #Hyponatremia #differential ... #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
- Differential ... Diagnosis Algorithm ... Gittelman's syndrome • Magnesium ... #Hypokalemia #Nephrology ... #Differential #
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... alkalosis • Normal/low ... the indicated causes ... the excretion of sodium ... #nephrology #differential
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Hyponatremia - Differential ... Algorithm Isotonic ... #Algorithm #diagnosis ... #causes #nephrology ... #sodium #low
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
Neurological symptoms ... Reversible course Differential ... • Magnesium correction ... Syndrome #diagnosis #management ... #neurology