Hematology | Types of Anemias

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Ninja Nerds!
In this hematology lecture, Professor Zach Murphy delivers a high-yield overview of the Types of Anemias, breaking down the major classifications, underlying mechanisms, and clinical presentations of this common but diverse condition.

We begin by defining anemia as a decrease in red blood cell mass or hemoglobin concentration, and explore how anemias are categorized based on mean corpuscular volume (MCV) into microcytic, normocytic, and macrocytic types.

The lecture covers microcytic anemias, such as iron deficiency anemia, thalassemias, anemia of chronic disease, and sideroblastic anemia, emphasizing defects in hemoglobin production. We then move into macrocytic anemias, including vitamin B12 deficiency, folate deficiency, and alcohol-related causes, focusing on impaired DNA synthesis and megaloblastic changes.

Normocytic anemias are explained through both hemolytic (e.g., hereditary spherocytosis, G6PD deficiency, sickle cell disease) and non-hemolytic (e.g., acute blood loss, anemia of chronic disease, renal failure) mechanisms. Throughout, we highlight key labs, peripheral smear findings, and clinical clues to help distinguish each type.

This lecture equips you with a comprehensive framework for classifying and approaching anemia in both academic and clinical settings.

Enjoy the lecture and support us below!

Tables of Contents:
00:00 Lab
00:52 Iron Deficiency Anemia (Microcytic)
06:07 Pernicious Anemia (B12/Folic Acid) (Macrocytic)
10:40 Hereditary Spherocytosis
13:34 G6PDH
19:30 Sickle Cell Anemia (HbS)
25:07 Hemorrhagic
26:28 Aplastic (Pancytopenia)
30:17 Thalassemia (Microcytic)
33:21 Comment, Like, SUBSCRIBE!

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