Ana Shared "USMLE Blood and lymph" - 78 Picmonics

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USMLE Blood and lymph

Anemia Lab Values
Iron Deficiency Anemia
Serum Iron Decreased
Transferrin Increased
Ferritin Decreased
% Transferrin Saturation Decreased
Pregnancy and OCP Use
Serum Iron Normal
Transferrin Increased
Ferritin Normal
% Transferrin Saturation Decreased
Anemia of Chronic Disease
Serum Iron Decreased
Transferrin Decreased
Ferritin Increased
% Transferrin Saturation Decreased or Normal
Hemochromatosis
Serum Iron Increased
Transferrin Decreased
Ferritin Increased
% Transferrin Saturation Increased
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Beta Thalassemia
Mechanism
Microcytic, Hypochromic Anemia
Mediterranean Populations
Decreased Beta-Globin
Beta-Thalassemia Minor
Increased HbA2
No Intervention
Beta-thalassemia Major
Blood Transfusions
Hemochromatosis
Crew-cut on Skull X-Ray
Diagnosis
Electrophoresis
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2 mins
Hereditary Spherocytosis Disease
Northern Europeans
Mechanisms
Autosomal Dominant
Spectrin/Ankyrin Deficiency
Spherocyte Formation
Hemolytic Anemia
Symptoms
Bilirubin Gallstones
Jaundice
Splenomegaly
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3 mins
Hereditary Spherocytosis Diagnosis & Treatment
Labs
Increased MCHC
Spherocytes
Normocytic Anemia
Diagnosis
Osmotic Fragility Test
Treatment
Splenectomy
Folic Acid
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1 min
Iron Deficiency Anemia
Causes
Malnutrition/Malabsorption
Hemorrhage
Signs
Microcytic, Hypochromic Anemia
Decreased Heme Synthesis
Labs
Decreased Reticulocytes
Decreased Ferritin
Increased Red Cell Distribution Width (RDW)
Poikilocytosis
Anisocytosis
Increased Central Pallor
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2 mins
Sickle Cell Anemia (Management)
Long Term Treatment
Hydroxyurea
Bone Marrow Transplant
Folate
Acute Treatment
Exchange Transfusion
Prophylaxis
Penicillin Prophylaxis
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1 min
Sickle Cell Anemia (Mechanism)
Intrinsic Normocytic Hemolytic Anemia
Point Mutation
Autosomal Recessive
African-American
Dehydration or Decreased O2
Newborns Asymptomatic
Heterozygote Malarial Resistance
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2 mins
Sickle Cell Anemia (Signs and Complications)
Signs
Crew-cut on Skull X-ray
Complications
Auto-splenectomy
Painful Crisis
Aplastic Crisis
Splenic-sequestration Crisis
Hyper-hemolytic Syndrome
Renal Papillary Necrosis
Salmonella osteomyelitis
Pulmonary Hypertension
Hyposthenuria
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2 mins
WBC Differential Lab Value
White Blood Cells (WBC)
5-10 (5,000-10,000)
Leukocyte Differential
Neutrophils (50%-70%)
Bands (2%-5%)
Segs (50%-70%)
Lymphocytes (20%-40%)
Monocytes (4%-8%)
Eosinophils (2%-4%)
Basophils (0.5%-1.5%)
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2 mins
Clotting Overview
Characteristics
Endothelial Cells are Damaged
Platelets Respond to Exposed Collagen and Stick
Platelets Release Recruiting Factors
More Platelets are Attracted
Soluble Fibrinogen Turns to Insoluble Fibrin
Fibrin Seals the Clot
Clot Dissolves
Liver Produces Clotting Factors
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2 mins
Hemoglobin
Hemoglobin Has Four Iron Hemes
Lots Of Hemoglobin In Red Blood Cells
High O2 Levels Increase O2 Binding
High Temperature Reduces O2 Binding
High CO2 Levels Reduce O2 Binding
Low pH Reduces O2 Binding
Myoglobin Binds Oxygen in Muscle
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2 mins
Lymphatics
Characteristics
Recycles 10% of Interstitial Fluid
Transport Large Lipids from Lacteals
Unidirectional Valves
Lymph Nodes Filter Lymph
WBCs Monitor Lymph for Pathogens
Merge with Veins
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2 mins
Hemochromatosis Pathophysiology
Pathophysiology
Hemosiderin Deposition
Autosomal Recessive
HLA-A3
Secondary to Transfusion Therapy
Increase Iron
Increase Ferritin
Increased Transferrin Saturation
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2 mins
Hemochromatosis Signs and Symptoms
Signs and Symptoms
Micronodular Cirrhosis
Hepatocellular Carcinoma
Diabetes
Bronze Skin Coloring
CHF
Arthropathy
Testicular Atrophy
Impotence
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2 mins
Bleomycin
Indications
Testicular Cancer
Hodgkin's Lymphoma
Mechanism of Action
Induces Free Radical Formation
Breaks in DNA Strands
Side Effects
Pulmonary Fibrosis
Skin Changes
Mucositis
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1 min
Heparin Indications
Indications
Acute Coronary Syndrome (ACS)
Prophylaxis
Pulmonary Embolism
Atrial Fibrillation
Used during Pregnancy
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1 min
Heparin Mechanisms
Mechanism of Action
Short Half-life
Antithrombin Activation Cofactor
Decrease Thrombin, Factor Xa
Side Effects
Bleeding
Heparin Induced Thrombocytopenia (HIT)
Antidote
Protamine Sulfate
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2 mins
Imatinib (Gleevec)
Indications
Chronic Myelogenous Leukemia (CML)
Inhibitor of BCR-ABL Tyrosine Kinase
Caused by Philadelphia Chromosome
GI Stromal Tumors
Inhibitor of C-kit Tyrosine Kinase
Toxicity
Fluid Retention
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1 min
Methotrexate
Indications
Rheumatoid Arthritis
Cancer
Medical Abortion
Mechanism
Folic Acid Analog
Inhibits Dihydrofolate Reductase
Side Effects
Pulmonary Fibrosis
Myelosuppression is Treated with Leucovorin Rescue (Folinic Acid)
Macrocytic Anemia
Hepatitis
Teratogenic
Mucositis
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1 min
Trastuzumab
Indications
HER-2+ Breast Cancer
Stomach cancer
Mechanism
Monoclonal antibody against HER-2
Inhibition of Cellular Signaling
Cytotoxicity
Side effects
Cardiotoxicity
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1 min

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