11 results
Causes of a low fecal elastase
Abnormal pancreatic imaging:
Chronic pancreatitis, Pancreatic tumours including cystic disease, Pancreatic resection,
Causes of a low ... fecal elastase ... Pancreatic atrophy, Acute ... annular pancreas), Genetic ... #diagnosis #causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
losses - Chronic diarrhea ... - Genetic ... #Differential #Diagnosis ... #Low #Magnesium ... #Table #Classification
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
- Differential Diagnosis ... Low Kidney Phosphate ... Absorption: Chronic Diarrhea ... , Acute Respiratory ... Alkalosis, Tumor Genesis
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential Diagnosis ... paraproteinemia, acute ... Malabsorption, Chronic diarrhea ... , Tumor genesis ... • Normal or Low
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Algorithm GI LOSS ... Urine Mg < 10g • Diarrhea ... • Gitelman's syndrome ... other EGFR ab • Genetics ... Hypomagnesemia #Magnesium #Low
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
- Differential Diagnosis ... Algorithm • Low ... Hypoparathyroidism: Autoimmune, Genetic ... Hyperphosphatemia, Acute ... metastases, Hungry bone syndrome
Acute Retroviral Syndrome
Acute Retroviral Syndrome is the symptomatic presentation of acute human immunodeficiency virus infection

 •
Syndrome Acute ... Nausea, vomiting, diarrhea ... • New onset SLE ... Treatment: • ART to slow ... #diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
anti-Smith Ab, low ... Skin Disease Classification ... : • Acute cutaneous ... Differential Diagnosis ... , lymphopenia, low
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
again we might see ... LV failure - Low ... - Compartment syndrome ... peritonitis - Acute ... #typea #typeb #classification
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
erythematosus (SLE ... Drug-associated: heparin, low-molecular-weight ... antiphospholipid syndrome ... #Differential #Diagnosis ... High #Potassium #Classification