Hematology Flashcards
Hemoglobin A
Most abundant form in adults
HbA1C
Use to determine levels of glucose by non-enzymatic addition of glucose to hemoglobin
Methemoglobin
Oxidation of the heme component of hemoglobin to iron which cannot bind oxygen
Carboxyhemoglobin
Form of hemoglobin where CO binds tightly but reversibly
Fetal Hemoglobin
Tetramer consisting of two alphas and gamma chains
Hemoglobin Bart’s
Gamma-tetramers in the newborns
Cirrhosis, Diabetes, Hypogonadism
Clinical syndrome of hemochromatosis
Heme-cointaining
Hemoglobin - (+)
Contains fibrous components
Hemoglobin - (-)
Level of structure exhibited
Hemoglobin - quaternary
Tissues in the body where it is mostly found
Hemoglobin - blood
Number of maximum bound oxygen molecules
Hemoglobin - 4
Oxygen binding affected by pH and CO2
Hemoglobin - yes
Function in relationship with oxygen
Hemoglobin - O2 transporter
Has taut and relaxed forms
Hemoglobin - yes
Curve exhibited in terms of O2 dissociation
Hemoglobin - sigmoidal
Megaloblastic Anemia
Impairment of DNA synthesis that leads to distinctive morphologic changes
Iron Deficiency Anemia
Most common nutritional disorder in the world
Anemia of Chronic Disease
Most common cause of anemia among hospitalized patients
Aplastic Anemia
Syndrome of chronic primary hemtopoietic failure and attendant pancytopenia
Ehlers-Danlos Syndrome
Platelet - normal
Immune Thrombocytopenic Purpura (ITP)
Platelet - decreased
TTP
Platelet - decreased
Bernard-Soulier Syndrome
Platelet - decreased
Glanzmann’s Thrombasthenia
Platelet - normal
Von Villebrand Disease
Platelet - normal
Hemophilia
Platelet - normal
Vitamin K Deficiency
Platelet - normal
Disseminated Intravascular Coagulation (DIC)
Platelet - decreased
Hereditary Spherocytosis
Intrinsic, extravascular
G6PD Deficiency
Intrinsic, intravascular
Sickle Cell Anemia
Intrinsic, extravascular
Thalassemia
Intrinsic, extravascular
Paroxysmal Nocturnal Hemoglobinuria
Intrinsic, intravascular