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Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Folate deficiency, Liver ... Abetalipoproteinemia, Liver ... Artifact, Uremia, Liver ... stomatocytosis, Liver ... Post-splenectomy, Liver
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Skeletal metastatic disease ... disorders, Paget's disease ... Granulomatous diseases ... hypercalcemia, Infantile
Acute-on-Chronic Liver Failure (ACLF) Clinical Guidelines

ACLF = possibly reversible condition in those with CLD (± cirrhosis)
Acute-on-Chronic Liver ... months without treatment ... of underlying liver ... disease, liver ... support, or liver
The Liver Consult Primer - Guide to calling a consult
HPI:
 - Start with reason for consult
The Liver Consult ... disease work up ... - Liver US ... - Prior liver biopsy ... GregoryTBrennan #Liver
Causes of Hypercalcemia due to increased Vitamin D levels
 • The BIG 3:
granulomatous diseases ... vasculitis, Crohn's disease ... mutation (adult / infantile
Hepatobiliary Manifestations of Sickle Cell Disease
Acute sickle cell hepatic crisis:
 • Fever, acute onset RUQ pain,
of Sickle Cell Disease ... Supportive with treatment ... progressing to acute liver ... Liver transplant ... #SickleCell #Disease
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Appearance of Liver ... malformation, Infantile ... , Metastasis #Liver
Pediatric Acute Abdominal Pain - Differential Diagnosis Algorithm
Generalized/Migratory:
 • Intussusception
 • Gastroenteritis
 • Viral Illness
 •
• Ileus • Infantile ... • Peptic Ulcer Disease ... Gastroesophageal Reflux Disease ... Pelvic Inflammatory Disease ... Pelvic Inflammatory Disease
Suspected Celiac Disease - Diagnosis Algorithm

Celiac disease suspected:
 • Signs and symptoms of celiac disease
 •
Suspected Celiac Disease ... Algorithm Celiac disease ... symptoms of celiac disease ... unresponsive to treatment ... • Elevated liver
The Gastroenterology Consult Primer
Guide to Calling a GI Consult
HPI:
 - Start with reason for consult
consult - I-liner ... Focus on prior GI/Liver ... last meal - Treatment ... GregoryTBrennan #Liver