10 results
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Causes of Hypokalemia ... filling of bucket (low ... intake) 2. ... #Causes #workup ... #nephrology
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
] x 100 FEMg <2% ... #differential # ... diagnosis #causes ... #nephrology #magnesium ... #low
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Algorithm Acidosis ... #Differential # ... #Causes #Workup ... #Nephrology
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
- Differential ... LOSS - FeMg < 2- ... Diuretics • Hypercalcemia-PTH ... Hypomagnesemia #Magnesium ... #Low #Causes #Differential
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Algorithm Before ... potassium(K) & magnesium ... #differential # ... potassium #nephrology ... #low
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Causes of Hypokalemia ... - Differential ... Insulin • Beta-2 ... Gittelman's syndrome • Magnesium ... #Nephrology #Differential
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Causes of Hyperkalemia ... Diagnosis Algorithm ... nephropathy • Beta-2 ... #Differential # ... #Causes
Causes of Hyperkalemia - Intercellular Shift - Differential Diagnosis Algorithm
Transcellular Shift - Appropriate renal excretion (GFR,
Causes of Hyperkalemia ... Diagnosis Algorithm ... , TTKG, distal flow ... Resistance • Beta-2 ... #Causes
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... Blood transfusion, Hypercalcemia ... Reversible course Differential ... the underlying cause ... • Magnesium correction
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
Pragmatic diagnostic algorithm ... urine Na/Cl > 1.6, low ... K/creatinine (Cr ... #diagnosis #differential ... #algorithm #nephrology