12 results
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Diagnosis Algorithm ... Low intake ... Medication • Hypomagnesemia ... Differential #Diagnosis #Algorithm ... #Causes #Classification
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... 2-2.5% or 24h Urine ... Malabsorption RENAL ... 2-2.5% or 24h Urine ... #Magnesium #Low
Hypocalcemia - Differential Diagnosis Algorithm - Low and High PTH
LOW PTH - Hypoparathyroid
 - Congenital (Pediatric)
Hypocalcemia - Differential ... Diagnosis Algorithm ... polyendocrinopathy • Hypomagnesemia ... • Chronic Renal ... #PTH #endocrinology
Causes of Hypocalcemia - Differential Diagnosis Algorithm
 • Extravascular: Pancreatitis, surgery, acute phosphate intake and renal
Causes of Hypocalcemia ... phosphate intake and renal ... Hyperphosphatemia, Low ... contrast agents • Hypomagnesemia ... #Causes #algorithm
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
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Algorithm Before ... A urine K/Cr ratio ... causes • Laxative ... • Diarrhea A urine ... consumption • Low
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis Algorithm ... Weakness, fatigue, nausea ... hyponatremia, hyperkalemia ... insufficiency • Low ... #endocrinology
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Alkalosis • Hypokalemia ... • Hypomagnesemia ... Increased Excretion - Renal ... #endocrinology ... #causes
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... isolation) GI loss - Urine ... aldosterone • Renal ... Differential #Diagnosis #Algorithm
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Causes of Hyperkalemia ... Differential Diagnosis Algorithm ... nephron - TTKG > 7, Urine ... • ACEi/ARB • Adrenal ... #Causes