NLE Hematologic Nursing — Hematologic Assessment and the AnemiasConcept Map

Concept

Hematologic System Overview

Sub Concepts

• Blood components (plasma and formed elements)
• Erythrocytes (RBCs) and erythropoietin
• Leukocytes (WBCs) and immune function
• Thrombocytes (platelets) and hemostasis
• Hematopoiesis in bone marrow
• Spleen and liver functions

Relationship To Central

Foundation for understanding blood composition and function

Concept

Hematologic Assessment

Sub Concepts

• History: fatigue, dyspnea, bleeding, medications
• Physical examination: pallor, jaundice, cyanosis
• Cardiac compensation: tachycardia, systolic flow murmur
• Bleeding manifestations: petechiae, purpura, ecchymoses
• Tongue and nail changes: glossitis, koilonychia
• Lymphadenopathy and splenomegaly assessment
• Neurologic signs assessment

Relationship To Central

Clinical evaluation method to detect hematologic abnormalities

Concept

Complete Blood Count (CBC) Interpretation

Sub Concepts

• Hemoglobin: normal values and interpretation
• Hematocrit: percentage and clinical significance
• RBC count and morphology
• WBC count and differential
• Platelet count and function
• Mean Corpuscular Volume (MCV) classification
• Reticulocyte count: marrow response indicator
• Peripheral smear findings

Relationship To Central

Cornerstone diagnostic tool for anemia classification

Concept

Blood Typing and Compatibility

Sub Concepts

• ABO antigen-antibody system
• Type A, B, AB, O blood groups
• Rh factor and sensitization
• Universal donor (O-negative)
• Universal recipient (AB-positive)
• Type and crossmatch procedures
• Direct and indirect Coombs test
• Hemolytic transfusion reactions

Relationship To Central

Essential knowledge for safe transfusion practice

Concept

Iron-Deficiency Anemia (IDA)

Sub Concepts

• Microcytic, hypochromic RBC morphology
• Causes: chronic blood loss, inadequate intake, malabsorption
• Laboratory findings: low ferritin, high TIBC
• Clinical signs: koilonychia, glossitis, pica
• Oral iron therapy: ferrous sulfate dosing and administration
• Parenteral iron: Z-track technique and precautions
• Nutritional counseling and sources
• Investigation of bleeding sources

Relationship To Central

Most common anemia with specific etiology and management

Concept

Pernicious Anemia (Vitamin B12 Deficiency)

Sub Concepts

• Macrocytic, megaloblastic RBC morphology
• Intrinsic factor deficiency etiology
• Gastrectomy and ileal disease causes
• Beefy red tongue and glossitis
• Neurologic signs: paresthesias, ataxia, impaired proprioception
• Risk of permanent neurologic damage if untreated
• Schilling test for diagnosis
• Lifelong IM vitamin B12 therapy requirement

Relationship To Central

Autoimmune anemia with serious neurologic complications

Concept

Folate-Deficiency Anemia

Sub Concepts

• Macrocytic RBC morphology
• DNA synthesis dysfunction
• Dietary sources and malabsorption causes
• Absence of neurologic manifestations
• Oral folic acid supplementation
• Differentiation from B12 deficiency
• Common in alcoholism and pregnancy

Relationship To Central

Similar presentation to B12 deficiency but without neurologic signs

Concept

Aplastic Anemia

Sub Concepts

• Normocytic, normochromic cell classification
• Pancytopenia: low RBCs, WBCs, and platelets
• Idiopathic and drug-induced causes
• Chemical and radiation exposure
• Leukopenia and infection risk
• Thrombocytopenia and bleeding risk
• Hypocellular bone marrow on biopsy
• Immunosuppressive therapy
• Hematopoietic stem cell transplantation
• Infection prevention and bleeding precautions

Relationship To Central

Life-threatening bone marrow failure with pancytopenia

Concept

Hemolytic Anemia

Sub Concepts

• Inherited disorders: sickle cell, thalassemia, G6PD deficiency
• Acquired causes: autoimmune, transfusion reactions, drugs
• Jaundice and dark urine manifestations
• Splenomegaly from RBC filtration
• Elevated indirect bilirubin and LDH
• Low haptoglobin levels
• High reticulocyte count (compensatory marrow response)
• Positive direct Coombs test in immune hemolysis

Relationship To Central

RBC destruction exceeding bone marrow replacement capacity

Concept

Sickle Cell Disease

Sub Concepts

• Hemoglobin S (HbS) genotype
• RBC sickling under hypoxia and dehydration
• Vaso-occlusive crises and organ infarction
• Crisis triggers: hypoxia, dehydration, infection, acidosis, cold
• Acute management: hydration, oxygen, IV opioids
• Hydroxyurea therapy for prevention
• Fetal hemoglobin increase strategy
• Chronic complications: cholelithiasis, aplastic crisis
• Patient education: hydration, altitude, infection avoidance

Relationship To Central

Specific hemolytic inherited disorder with crisis management

Concept

Nursing Management and Interventions

Sub Concepts

• Tissue oxygenation assessment and monitoring
• Activity tolerance and energy conservation
• Oxygen therapy administration
• Hematinic and transfusion administration
• Infection precautions for neutropenic patients
• Temperature monitoring and fever response
• Bleeding precautions for thrombocytopenic patients
• Soft toothbrush and electric razor use
• Avoidance of IM injections and rectal manipulation
• Nutritional counseling and dietary sources
• Adherence to lifelong therapy

Relationship To Central

Clinical application of assessment and hematologic knowledge

Concept

Complications and Sequelae

Sub Concepts

• High-output heart failure from severe anemia
• Angina pectoris and cardiac ischemia
• Profound fatigue and functional impairment
• Irreversible neurologic deficits in pernicious anemia
• Fatal infection in aplastic anemia
• Hemorrhage in thrombocytopenia
• Organ infarction in hemolytic disease
• Cholelithiasis from chronic hemolysis
• Aplastic crisis in sickle cell disease
• Iron overload from chronic transfusion

Relationship To Central

Serious outcomes of untreated or poorly managed anemia

To

Hematologic Assessment

From

Hematologic System Overview

Strength

strong

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Assessment evaluates the structure and function of hematologic system components

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Complete Blood Count (CBC) Interpretation

From

Hematologic Assessment

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strong

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Physical assessment findings are confirmed and quantified by CBC values

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Iron-Deficiency Anemia (IDA)

From

Complete Blood Count (CBC) Interpretation

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strong

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MCV microcytic classification and ferritin levels confirm iron-deficiency diagnosis

To

Pernicious Anemia (Vitamin B12 Deficiency)

From

Complete Blood Count (CBC) Interpretation

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strong

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MCV macrocytic classification and hypersegmented neutrophils suggest B12 deficiency

To

Aplastic Anemia

From

Complete Blood Count (CBC) Interpretation

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strong

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Pancytopenia with normocytic normochromic findings characteristic of aplastic anemia

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Hemolytic Anemia

From

Complete Blood Count (CBC) Interpretation

Strength

strong

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High reticulocyte count and elevated indirect bilirubin indicate active hemolysis

To

Hemolytic Anemia

From

Blood Typing and Compatibility

Strength

moderate

Relationship

Transfusion reactions can cause hemolytic anemia through incompatible blood transfusions

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Nursing Management and Interventions

From

Iron-Deficiency Anemia (IDA)

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strong

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Iron supplementation administration and patient education are key nursing interventions

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Nursing Management and Interventions

From

Pernicious Anemia (Vitamin B12 Deficiency)

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strong

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Lifelong IM B12 therapy and neurologic monitoring require specialized nursing care

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Nursing Management and Interventions

From

Aplastic Anemia

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strong

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Infection prevention and bleeding precautions are critical due to pancytopenia

To

Hemolytic Anemia

From

Sickle Cell Disease

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strong

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Sickle cell disease is a specific inherited form of hemolytic anemia

To

Pernicious Anemia (Vitamin B12 Deficiency)

From

Folate-Deficiency Anemia

Strength

moderate

Relationship

Both cause macrocytic anemia but differ in neurologic manifestations and treatment

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Complications and Sequelae

From

Hematologic Assessment

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strong

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Early assessment helps prevent serious complications from unrecognized anemia

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Complications and Sequelae

From

Iron-Deficiency Anemia (IDA)

Strength

moderate

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Chronic iron deficiency can lead to cardiac complications if untreated

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Complications and Sequelae

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Pernicious Anemia (Vitamin B12 Deficiency)

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strong

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Delayed diagnosis increases risk of irreversible neurologic damage

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Complications and Sequelae

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Aplastic Anemia

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strong

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Severe pancytopenia risks fatal infection or hemorrhage without treatment

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Complications and Sequelae

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Hemolytic Anemia

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strong

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Chronic hemolysis causes pigment gallstones and organ infarction

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Complications and Sequelae

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Sickle Cell Disease

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Vaso-occlusive crises cause acute organ infarction and chronic complications

To

Nursing Management and Interventions

From

Blood Typing and Compatibility

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strong

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Nurses implement transfusion protocols and monitor for adverse reactions

To

Blood Typing and Compatibility

From

Hematologic Assessment

Strength

moderate

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Assessment identifies need for transfusion in severe anemia