6301 results
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
- Differential Diagnosis ... High Affinity Hemoglobin ... Cyanosis without Pulmonary ... Apnea • Chronic Pulmonary ... #Differential #Diagnosis
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
saturation of hemoglobin ... loss) or abnormal hemoglobin ... Hypoxemia #summary #pulmonary ... #differential #diagnosis
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Polycythemia Differential Diagnosis ... Algorithm Elevated Hemoglobin ... Hypoxia-driven: Cardiac/pulmonary ... #Differential #Diagnosis
Oxygen Hemoglobin Dissociation curve

Curva de disociacion de oxi-hemoglobina
 #Cardiology#CEM
Oxygen Hemoglobin ... disociacion de oxi-hemoglobina
Thalassemias on Hemoglobin Electrophoresis
Beta-Thalassemia:
 • Major
 • Intermediate
 • Trait
Alpha Thalassemia:
 • Trait-1 (α α/ α-)
Thalassemias on Hemoglobin ... or (α α/ --) • Hemoglobin ... H (α -/ --) • Hemoglobin ... Barts(- -/ --) Hemoglobin ... interpretation #diagnosis
Oxygen-Hemoglobin Dissociation Curve

Left Shift (↓ O2 unloading to tissue), Left = Lower:
 • ↓ H+ (↑
Oxygen-Hemoglobin ... MatthewHoMD #Oxygen #Hemoglobin ... pathophysiology #pulmonary
The differential diagnosis for an elevated MCHC (mean corpuscular hemoglobin concentration) includes:

Conditions with Abnormal RBCs:
 •
The differential diagnosis ... mean corpuscular hemoglobin ... Sickle cells • Hemoglobin ... Hemolysis (i.e., free hemoglobin ... #Differential #Diagnosis
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
SS disease, Hemoglobin ... Hemoglobin C Crystals ... : Hemoglobin C disease ... , Hemoglobin SC ... #differential #diagnosis
Common RBC Inclusions and Associations
 • Howell Jolly Bodies: Hyposplenism, Asplenism, Severe hemolytic anemia
 • Heinz
drugs, Unstable hemoglobin ... Post-splenectomy • Hemoglobin ... H Inclusion: Hemoglobin ... Inclusions #Bodies #diagnosis
Iron Deficiency Anemia (IDA)
Tests:
 • MCV/RBC - RBC ↓ in proportion to the ↓ in hemoglobin
proportion to the ↓ in hemoglobin ... • Hemoglobin ... available for Hemoglobin ... available for hemoglobin ... #ferritin #Fe #diagnosis