85 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Differential Diagnosis Algorithm ... Transcellular Shift ... Medications Renal ... Losses Non-renal ... #nephrology #low
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential Algorithm ... Intracellular Shift ... Renal artery stenosis ... Diagnosis #Causes #Workup ... #Nephrology
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
Workup for Hyperphosphatemia ... Transcellular Shift ... CKD Increased Renal ... Diagnosis #Framework #Workup ... #phosphate #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Differential Diagnosis Algorithm ... (transcellular shift ... Differential #Diagnosis #Algorithm ... #Causes #workup ... #nephrology
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
Hyperkalemia Treatment ... • IV Fluids Shift ... (if preserved renal ... #Hyperkalemia #management ... #potassium #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
Differential Diagnosis Algorithm ... Redistribution/ Shift ... bone syndrome • Renal ... Differential #Diagnosis #Algorithm ... #causes #nephrology
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
intake, Gl loss, shift ... cells FEMg >4% = renal ... magnesium loss if renal ... Hypomagnesemia #algorithm ... diagnosis #causes #nephrology
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Diagnosis and Workup ... HYPOVOLEMIC • extra-renal ... - fevers • renal ... Hypernatremia #Diagnosis #Workup ... #Algorithm #Nephrology
Emergency management of severe hyperkalemia

#hyperkalemia #management #algorithm #nephrology #Potassium #Treatment
Emergency management ... #hyperkalemia #management ... #algorithm #nephrology ... #Potassium #Treatment
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... Transcellular Shift ... FEPO4 ≥ 5% - Renal ... Diagnosis #Framework #Workup ... #phosphate #nephrology