49 results
Algorithm for the diagnosis of chronic diarrhea.
It is usually impractical to test and treat the many
impractical to test ... many possible causes ... of chronic diarrhea ... pick specific tests ... the much smaller differential
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
Classification, ... - Nephrotic syndrome ... - Acute and chronic ... Vomiting - Diarrhea ... Diagnosis #Table #Causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
GI losses - Chronic ... diarrhea / IBD ... Hypomagnesemia #Differential ... Magnesium #Table #Classification ... #Causes #Workup
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Evaluation of Chronic ... Causes of acute ... 1000 g/24 h) #Chronic ... #algorithm #workup ... #diagnosis #differential
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Hypophosphatemia - Differential ... • Refeeding Syndrome ... • Small bowel diarrhea ... • Anorexia • Chronic ... endocrinology #causes
Causes of Chronic Diarrhea - Differential Diagnosis
Osmotic
 • Food/Drink: Lactose intolerance, Artificial sweeteners (e.g. sorbitol, high
Causes of Chronic ... Diarrhea - Differential ... #Diarrhea #Causes ... #Differential # ... #inflammatory #classification
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... - Differential ... Malabsorption, Chronic ... diarrhea, Poor ... Diagnosis #Framework #Workup
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... • Cushing’s syndrome ... Mineralocorticoid excess syndromes ... #Hypertension #Differential ... #Screening #Workup
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... - Differential ... losses, Vomiting, Diarrhea ... : • Acute or chronic ... #Hyponatremia #Differential
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia - Differential ... GI Absorption: Chronic ... Diarrhea, Antacids ... Hypophosphatemia #Differential ... nephrology #phosphorus #workup