66 results
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 ... Irritable bowel ... stool weight: Irritable ... workup #diagnosis #differential
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Gl tract loss (Diarrhea ... #Hypokalemia #Differential ... Diagnosis #Algorithm #causes ... #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... - Differential ... losses, Vomiting, Diarrhea ... : • Acute or chronic ... #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Hypophosphatemia - Differential ... Malabsorption, Chronic ... diarrhea, Poor ... • Normal or Low ... Workup #phosphate #nephrology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... • Refeeding syndrome ... losses (NG suction, diarrhea ... vomiting) • Low ... Diagnosis #Algorithm #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia - Differential ... Appropriately Low ... GI Absorption: Chronic ... Diarrhea, Antacids ... Diagnosis #Algorithm #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Metabolic Alkalosis - Differential ... , NGT suction, Low ... Metabolic #Alkalosis #Differential ... Diagnosis #Algorithm #Nephrology ... #Causes
Stool Incontinence - Differential Diagnosis Algorithm
Affected Pelvic Floor 
 - Trauma/Surgery
   • Surgery: Anorectal,
Incontinence - Differential ... Emotional Problems - Diarrheal ... Disease • Irritable ... Bowel Syndrome ... Diagnosis #Algorithm #Causes
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Hypomagnesemia - Differential ... Familial: Bartter syndrome ... and Gitelman syndrome ... #nephrology #magnesium ... #low
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Laxative use • Diarrhea ... consumption • Low ... diagnosis #Algorithm #differential ... #potassium #nephrology ... #low