9 results
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Hypophosphatemia - Differential ... Diagnosis Algorithm ... Acute Respiratory Alkalosis ... Increased Excretion - GI ... endocrinology #causes
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Base Disorders - Evaluation ... , or acute on chronic ... Differential Diagnosis ... : GI loss of H+, ... #workup #Differential
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential ... FEPO4 < 5%: • GI ... Malabsorption, Chronic ... diarrhea, Poor ... Glucose, Acute resp. alkalosis
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
: • Decreased GI ... Absorption: Chronic ... Diarrhea, Antacids ... Acute Respiratory Alkalosis ... nephrology #phosphorus #workup
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Algorithm for the Evaluation ... of Chronic Diarrhea ... Causes of acute ... #algorithm #workup ... #diagnosis #differential
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
losses - Chronic ... diarrhea / IBD ... #Diagnosis #Low ... Classification #Causes ... #Workup #hypomg
Chronic Diarrhea - Workup
Osmotic:
 • Consider food diary and trial avoiding certain foods or meds, Consider
Chronic Diarrhea ... - Workup Osmotic ... #Diarrhea #Workup ... #diagnosis #differential ... #testing #evaluation
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Pain Causes - Differential ... have had prior evaluations ... • Vomiting, diarrhea ... mesenteric ischemia • GI ... #Causes #Differential
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Transcellular Shifts: - Alkalosis ... Eating disorders GI ... nasogastric suction, Diarrhea ... #differential # ... diagnosis #nephrology