anemia
Paroxysmal Nocturnal Hemoglobinuria (PNH)
Paroxysmal nocturnal hemoglobinuria (PNH) is a rare, chronic, and potentially life-threating blood disorder that occurs when unregulated complement activity causes the destruction of red blood cells (hemolysis)...
Anemia: Lesson 5 - An Approach to Diagnosis
An approach to diagnosing anemia, applying knowledge of the diagnostic frameworks, iron panel, hemolysis labs, and blood smear.
Anemia: Lesson 4 - Clues From the Blood Smear
A review of some common abnormalities seen on a blood smear of patients presenting with anemia: hypochromia, schistocytes, microspherocytes, hypersegmented neutrophils, bite cells, sickle cells, target...
Anemia: Lesson 3 - Hemolysis
An overview of hemolysis, including a discussion of its many etiologies and how to diagnose it, as well as the direct Coombs test (a.k.a. direct agglutination test).
Anemia: Lesson 1 - Diagnostic Frameworks
A discussion on the definition, symptoms/signs, and diagnostic frameworks (a.k.a. diagnostic schema) for anemia. Both the morphological (i.e. microcytic vs. normocytic vs. macrocytic) and kinetic (i.e....
Normal RBC Physiology (Including Erythropoiesis)
An overview of the structure, function, formation/maturation (i.e. erythropoiesis), and removal of red blood cells, including the distinction between reticulocytes and mature erythrocytes. A related...
Persistent Lower GI Bleeding - R. Coimbra, MD
Lower GI bleeding is anatomically defined as bleeding beyond the ligament of Treitz. It has a very diverse range, sources and severity from scant hemorrhoidal bleeding to massive blood loss, therefore,...
Endoscopy Of Gastrointestinal Tract By Usage...
A 32-year old man suffered from anemia due to iron lack. Fecal Occult Blood test resulted positive. No endoscopical changes of the colon and upper intestine. Capsule endoscopy showed multiulceration of...
Hypotension and Sickle Cell Anemia
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Vessel Obstruction and Sickle Cell Anemia
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Non Familial Juvenile Polyposis Of The Colon...
Some polyps needed to be removed in fragments. The two presenting symptoms, rectal bleeding and anemia, disappeared soon after polypectomy At the aged of 3 years and 8 months.
Tubulo - Villous Adenoma - Endoscopy (1 of 28)
An 81 year-old female that was suffering anemia and was referred to us for colonoscopic evaluation, Four polyps were found, two at the rectum and two at the sigmoid, as well as multiple diverticulae....
Multiple Rectal Ulcers (1 of 110)
This is the case of 50 year-old female, three years previous was diagnosed as having ulcerative colitis in another country. The clinical course began with severe constipation during 6 month following...
Colitis Ulcerosa - Pancolitis (3 of 7)
Extensive colitis (pancolitis) In pancolitis, inflammation extends into the transverse or right colon. Patients are more likely to present with diarrhea because of diminished absorptive capacity of...