14 results
Fatigue and IBD Algorithm
 • 40-50% patients have fatigue despite clinical remission
 • Risk factors: BMI,
active IBD: IV Fe ... > PO FEFe Carboxymaltose ... & Fe Sucrose > ... IV FE formulations
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Anemia/blood loss (Fe
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
TIBC increased - Fe ... normal/decreased - Fe
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
excretion of Sodium (FE ... Injury (AKI) FE ... Necrosis (ATN) FE
Hyperphosphatemia - Differential Diagnosis Algorithm
Transcellular Shift:
 • Rhabdomyolysis
 • Tumor Lysis
 • Metabolic or Respiratory Acidosis
Decreased Excretion FE
Iron Deficiency Anemia vs Anemia of Chronic Disease - Laboratory Testing

SUMMARY:
 - RDW, FEP, serum iron,
Comparison #Table #Fe
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Excretion - Renal FE
Iron Deficiency Anemia (IDA)
Tests:
 • MCV/RBC - RBC ↓ in proportion to the ↓ in hemoglobin
IDA #ferritin #Fe
Causes of Non-Gap Metabolic Acidosis - Differential Diagnosis Algorithm
Normal Anion Gap (<14) (Loss of Bicarbonate) -
net charge High FE-HCO3
Causes of Iron Deficiency - Differential Diagnosis Algorithm
 • Blood loss: GI (cancer, ulcer, IBD), GU
Diagnosis #Causes #Fe