18 results
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Hypercalcemia, Hypermagnesemia ... , Hypothyroidism ... , Hyperthyroidism ... Testing #Causes #differential ... #diagnosis #table
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia - ... GI Uptake - Poor ... #Differential # ... Low #Magnesium #Table ... #Classification
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypokalemia Differential ... Diagnosis Algorithm ... Low intake • poor ... Medication • Hypomagnesemia ... #Causes #Classification
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... Diagnosis Poor ... - Polyuria - Hypomagnesemia ... Low #Potassium #Table ... #Classification
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
- Differential ... Diagnosis Algorithm ... Urine Mg > 10g • Loop ... #Low #Causes #Differential ... #Diagnosis #Algorithm
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
Causes of Hypomagnesemia ... - Malnutntion, poor ... secretion - Hyperthyroidism ... aldosteronism #Hypomagnesemia ... Causes #diagnosis #differential
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
Approach to Hypomagnesemia ... 100 FEMg <2% = poor ... @NEPHKIDS1 #Hypomagnesemia ... #algorithm #differential
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... Malnutrition, poor ... hormone secretion, Hyperthyroidism ... aldosteronism #Hypomagnesemia ... #Causes #differential
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Metabolic Alkalosis - Differential ... Diagnosis Algorithm ... • Diuretics (loop ... /thiazide) • Hypomagnesemia ... #Diagnosis #Algorithm
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Volume (MCV) - Differential ... Diagnosis Algorithm ... Liver Disease • Hypothyroidism ... #Anemia #MCV #Classification ... #Differential #