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Polycythemia (Erythrocytosis) - Pathophysiology

#Polycythemia #Erythrocytosis #Pathophysiology #hematology #algorithm #differential #diagnosis
Polycythemia (Erythrocytosis ... #Polycythemia #Erythrocytosis
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Polycythemia (Erythrocytosis ... Abdominal Ultrasound High ... #Polycythemia #Erythrocytosis
Differentiating Features Between Central and Peripheral Cyanosis

Mechanism - Arterial destauration
Sites - Skin, mucous membrane of oral
Present Secondary erythrocytosis ... Absent Secondary erythrocytosis
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Erythrocytosis - ... poisoning, OSA/OHS, High ... MatthewHoMD #Erythrocytosis
Clues to Differential Diagnosis of Central Cyanosis: Onset of cyanosis, Clubbing, Secondary erythrocytosis, Auscultation, X-ray, Echocardiography,
Clubbing, Secondary erythrocytosis
Modified Johnson Classification for Gastric Ulcers
Type I - Gastric body, lesser curvature
Type II - Body of
Prepyloric Type IV - High ... Classification #diagnosis #gastroenterology
Colon Polyp Removal Algorithm - Endoscopy or Surgery Referral
Studies show polyp removal surgeries are performed at
unnecessarily high ... Referral #management #gastroenterology
Stool Cultures - Indications in Diarrhea
Patient Categories to Order Stool Cultures On:
 • Persisting 1 week
hospitalization) • High ... Indications #diagnosis #gastroenterology
Pancreatic Cyst Diagnosis on Endoscopic Ultrasound EUS
Features of low cancer risk: No symptoms caused by the
duct Features of high ... Diagnosis #EUS #risk #gastroenterology
Colonoscopy Followup Intervals 
10 years: Normal colonoscopy, ≥ 20 HP < 10mm
7-10 years: 1-2 adenomas <
histology and/or high ... Followup #Intervals #gastroenterology