-
The hematologists system consists of _____
- Bone marrow
- Blood
- Blood components
-
The lymphatic system includes____
- Lymph nodes and nodules
- Lymph vessels
-
Lymph nodes and nodules ____
Destroy pathogens
-
Lymph vessels____
Return lymph back to the blood
-
Blood has 3 functions:
- 1. Transport O2, nutrients, and waste
- 2.regulate body temp, ph, and fluids
- 3. Produce cells
-
The human body has ___ L of blood
4-6
-
RBC, WBC, and platelets are produced in___
The red bone marrow
-
Red bone marrow is found in____
- Flat bones
- Irregular bones
- Epiphyses of long bones
-
____ is the liquid portion of the blood
Plasma; makes up 46-53% of blood volume
-
Plasma is _____% water
91
-
Plasma transports___
- Nutrients
- Waste
- Hormones
- Enzymes
- Electrolytes
- Gases
-
____ is the biggest most important plasma protein
Albumin
-
Albumin functions to____
Maintain blood volume and bp
-
Normal Ph of blood is ____
7.35-7.45 slightly alkaline
-
RBCS function to_____
Carry oxygen bonded to Iron in HGB
-
What causes anemia
- Lack of iron
- Lack of hemoglobin
- Decreased RBC
-
-
______ are needed for DNA synthesis in stem cells and red bone marrow
-
B12 is also known as ___
Extrinsic Factor
-
B12 comes from_____ and combines with _____
- 1. Food
- 2. Intrinsic Factor
-
Lack of intrinsic factor leads to
- B12 dietary deficiency
- Pernicious anemia
-
RBC’s only live ____ days then are destroyed by liver and spleen
120
-
The iron from destroyed RBC’s is___
Used again or stored in the liver
-
The HEME part of hemoglobin is converted to_____
Bilirubin
-
The liver excretes ______ in the bile for elimination in the feces
Bilirubin
-
Elevated amounts of bilirubin discolors various parts of the body yellow or orange.This is known as_____
Jaundice
-
Hereditary blood type refers to____
Antigens present on the RBCs
-
____ is the universal blood donor
O NEGATIVE
-
____ Is the universal recipient
AB+
-
Negative blood types can receive ______ blood types
Only negative
-
Positive blood types can receive ______ blood types
Positive and negative
-
Monocytes become _____ that phahocytize pathogens and dead tissue
Macrophages
-
Neutrophils are numerous but only phagocytize ____
Pathogens
-
_____ is our first line of defense again pathogens
Neutrophils
-
_____Combat the effects of histamine, detox foreign proteins, and respond to parasites
Eosinophils
-
____ really histamine as a part of inflammatory reactions
Basophils
-
____cells can be help,suppressor, killer, or memory cells
T-CELL Lymphocytes
-
_____ cells become plasma cells and produce antibodies (can also be memory cells)
B CELL lymphocytes
-
Platelets are involved in____
Vascular spams, platelet plugs, chemical clotting
-
Platelets can promote____ in damaged vessels
Vasoconstriction
-
The lymphatic system consists of___
Lymph,lymph vessels, nodes/nodules,the spleen, and the thymus
-
Whats the function of the lymph system
- Return fluid to maintain blood volume
- Protect against pathogens and foreign material
-
Active lymphocytes and monocytes are formed in the ____
Lymph nodes
-
Major Lymph NODES are found____
-
Lymph nodules are found___
Superficially beneath the mucous membranes
-
_____ is an example of lymph nodules
Tonsils
-
Where is the Spleen located?
Upper L quad of ABD below the diaphragm, behind the stomach.
-
The spleen contains _______ cells
- B cells
- T cells
- Fix Macrophages
-
Spleen stores up to _____ of the bodies platelets
1/3
-
A person without a spleen is more susceptible to _______
Pneumonia and bacterial meningitis
-
Where is the Thymus located
Inferior (below) the thyroid and anterior (behind) the trachea
-
_____ causes thymus atrophy
Again
-
Thythmus contains____ cells that mature and multiply
T cells lymphocytes
-
Complications of hematological disorders
- Abnormal bleeding-
- Petechiae-
- Ecchymoses-
- Purpura-
- Fatigue-
- Weakness-
- Sob-
- Fever-
-
Hemophilia occurs mainly in____
Males
-
Sickle cell anemia occurs mainly in _____
African Americans
-
Pernicious Anemia occurs mostly in ____
People of Northern European decent
-
Sub-normal temperatures may indicate____
Overwhelming gram-negative bacterial infection
-
HR and Respiratory abnormalities may indicate
Decreases blood volume or decreases O2 supply
-
LOC changes occur with____
- Hypoxia
- Fever
- Intracranial Bleeding
-
Pallor can indicate
Anemia
-
Jaundice can indicate
Liver disease or hemolysis
-
Purpura, petechiae, and ecchymoses may indicate____
Bleeding disorders
-
Skin dryness and coarseness can indicate___
Anemia
-
Itching may indicate____
Blood or lymph disorders
-
Spoon shaped nails or nails with striations may indicate____
Anemia
-
Clubbed finger nails may indicate
Long term hypoxia
-
Sternal tenderness may indicate____
Bone marrow may be packed with abnormal cells
-
Common testing with blood disorders
- Cbc
- Coagulation tests
- Blood typing
-
INR for people NOT on anticoagulants is ?
<1.3
-
The two types of nuetrophils are?
Segs and Bands
-
During an infection the number of_____ neutrophils go up first
Seg (segmented)
-
When an infection becomes severe,______ neutrophils rise in number to assist mature neutrophils
Banded
-
______ fight viruses ad are elevated during viral infections
Lymphocytes
-
Lymphocytes can be raised in _______ bacterial infections
Chronic like with indwelling catheters (foreign objects in body cause immune response)
-
If segs and bands are increased but lymphocytes are decreased the infection is____
Bacterial
-
If lymphocytes are increases but segs and bands are decreased the infection is____
Viral
-
Where are bone marrow biopsies done?
- Sternum
- Spinous processes of the vertebrae
- Anterior or posterior iliac crest
-
Bone marrow biopsy is a _____ procedure
Sterile
-
Risk for infection is high after_______ biopsy
Bone marrow
-
Involves injecting dye into the lymph vessels of the hand or foot?
Lymphangiography
-
X rays can determine____ during a lymphangiograph
Lymph flow or blockages
Repeated after 24 hrs
-
Following a lymphangiography dr may order
Pressure dressing and immobilization of limb
-
Pt teaching for Lymphangiography is
Skin, urine, and feces may be really blue after the procedure for 2 days.
-
When is lymph node biopsy performed?
When node is enlarged to determine if cause is infection or cancer
-
Blood can only hang for _____
4 hours
-
S/s of reaction to blood are
- Fever(most common)
- Increasing fever with shaking and chills
- Headache
- Back pain
-
Blood may be administered with ______ only
Normal saline
-
What is a Urticarial Reaction to blood
- Minor allergic reaction due to antigens in plasma.
- Need to stop infusion and notify MD if occurs.
- Give anti-histamine if ordered and continue infusion
-
What is a hemolytic reaction to blood
Deadly and rare reaction caused from incompatible blood products.
-
S/s of a hemolytic reaction to blood
- Back and chest pain
- Chills
- Fever
- Sob
- N/v
- Feeling of impending doom
- Advanced symptoms:
- Shock, hypotension, oliguria, decreased LOC,DIC, death.
-
What is Anaphylactic reaction to blood
- Sensitivity to immune globulins passes from donor blood.
- May be seen more often to pts who’ve has many transfusion or pregnancies
- Respiratory and cv collapse may occur
- Common s/s:
- Gi cramping, vomiting, diarrhea
-
What is Circulatory Overload
- Caused by rapid transfusion in a short period
- S/s:chest pain, cough, frothy sputum, distended neck veins,crackles, wheezes, increases HR
Expect administration of diuretics
-
What is anemia
Condition where there is a dificiency of RBCs, Hemaglobin, or both.
-
What is the impaired production of RBCs?
Aplastic anemia
-
What is the increased destruction of RBC
Hemolytic or sickle cell anemia
-
The third type of anemia is?
Massive or chronic blood loss
-
What is pernicious anemia
- Caused by lack of intrinsic factor in stomach secretions
- Prevents absorption of b12
- Treated with b12 injections
- Straight to the blood instead of absorbed in the GI
-
What causes Hemolytic Anemia
Genetics or exposure to chain toxins
-
What is Thalassemia anemia
Hereditary anemia found in people from SE Asia, Africa, Italy, and Mediterranean islands.
Causes the inability to synthesize hemoglobin
-
Normal Hemoglobin (hgb)
- Male:13.2-17.3
- Female 11.7-15.5
You’re globin (glowing) during your TEEN* years
-
Normal Hematocrit levels (HCT)
You might feel like Crit (sh*T) in your 40’s*
***NO OFFENSE*** :)
-
S/S of anemia
- Sob
- Tachypnea
- Tachycardia
- Pallor
- Irritability
- Fatigue
-
S/s of PERNACIOUS anemia
- Red beefy tongue
- Numb hands or feet
- Weakness
*b12 deficiency= neuro symptoms
-
S/s of Iron deficiency anemia
- Fissures at corner of mouth
- Inflamed tongue
- Spoon shaped nails
- **most common type of anemia**
-
Diagnostic tests for Anemia
- CBC
- Serum Iron, Ferris, and total iron binding capacity (iron defic anemia)
- Serum folate (folic acid defic)
- Bone marrow biopsy and analysis
- Gastric acid levels and antibodies for pernacious anemia
-
Treatment for anemia
- Eliminate contributing factors
- Control chronic diarrhea to help with folic acid defic
- Blood transfusion
- Monitor h&h
- Monitor response to therapy
-
What is a plastic anemia
- Bone marrow becomes fatty and cant produce enough RBC
- AKA Hypoplastic anemia
- Causes pancytopenia
- Can be fatal
-
What is pancytopenia
Reduced number of all formed elements for the bone marrow
-
Causes of Aplastic/hypoplastic anemia
- Congenital
- Exposure to toxins
- Chemo
- Cardiopulmonary bypass
- TB
- Infections
-
S/s of aplastic anemia
- Early s/s: progressive weakness, fatigue, pallor, sob, HA
- Advanced: tachycardia, HY, ecchymoses, petechiae, blood from mucous membranes, bleeding in organs.
Pt can die from infection or bleeding
-
Treatment for aplastic anemia
- Bone marrow transplant
- Control bleeding
- Steroids
-
What is sickle cell anemia
Inherited anemia where RBC have a specific mutation that makes HBG in the cells very sensitive to O2 changes.
-
The shape of a sickle cell causes____
Cells to tangle in vessels and organs causing congestion, clumps, and clots.
-
Sickle cell causes increase in _____
Bilirubin production from easily damaged and broken RBC’s causing jaundice
-
Complications of Sickle Cell
- Gallstones
- Spleen and liver enlargement
-
Sickle cells only live ____
15-20 days
-
Sickle cell anemia can cause infarction by_____
Sluggish blood collecting in capillaries, veins, or organs of chest and abd and joints.
-
Pneumonia, cold exposure, diabetic acidosis, and severe infection may cause______ crisis
Sickle cell
-
S/s of sickle cell anemia
- Severe pain and swelling in joints
- Abdominal pain from organ swelling
- Continuous painful erection
- S/s renal failure due to clogged kidneys from all the dead cells
- Hand foot syndrome
-
With sickle cell anemia, death is usually caused by:
Infection, stroke, or organ involvement
-
Diagnostic tests for sickle cell
- Blood smear
- Sickledex
- Hemoglobin electrophoresis to see abnormal hemoglobin
- Decreases hemoglobin, decreases RBC, increases WBC, decreased ESR
-
Treatment for sickle cell
- No cure
- Teach how to avoid crisis
- Low dose PCN to prevent infections
- During crisis: pt may be admitted for 5-7 days to treat pain, receive blood, o2, and fluids
-
What is Polycythemia Vera (primary polycythemia)
- Rbc,platelets and wbc are over produced and bone marrow becomes packed.
- Organs become congested
- Skin appears dark and flushed
- Can cause clots and blockage
- Usually found in pts over 50
*cause unknown*
-
What is secondary polycythemia
- Result of long term hypoxia steaming from chronic conditions like hf, copd, high altitudes, and smoking.
- Body makes more RBC in response to low o2
- Is a compensatory mechanism
-
S/s of polycythemia
- Hypervolemia
- Hyperviscosity
- Engorment of capillary beds
- HTN, visual changes, HA, vertigo, dizziness, tinnitus
- Nose bleeds, bleeding gums, retinal hemorrhage, dyspnea, chest pain
- Dark, flushed complexion
- Intense itching
- Abdominal pain
-
What is the lab result for polycythemia
Panmyelosis- increased level of all bone marrow components
-
Treatment for Polycythemia
- Blood draw to remove excess volume. 350-500 ml at a time.
- Repeat every other day until HCT is 45 then can repeat every 2-3 months
- Second stage treatment is Chemo drugs/radiation if increased wbc and platelets aren’t reduced by blood draws.
- Can cause leukemia
-
Nursing care for polycythemia
- Pt needs to be up and moving to prevent clots
- If bed resting do rom
- Assess for bleeding or HYPO volemia
- Teach s/s of bleeding and to report it
- Pt needs to drink 3 l of water to thin blood
- Report chest pain, joint pain, decreases activity tolerance, fever
-
What is DIC?
- Massive clotting in blood vessels that leads to organ and limb necrosis
- Most often effects kidneys and brain but can also effect lungs, pituitary and adrenal glands and Gi mucosa
-
S/s of DIC
- Abnormal bleeding without history of blood disorders
- Early signs: petechiae, ecchymoses, bleeding from VP sites
-
Diagnostic tests for DIC
Ptt, prolonged ptt, decreased platelet count, increased evidence of fibrin degradation products
-
Therapeutic interventions for DIC
- Correct underlying issue
- Blood transfusion
- Iv heparin****** stops platelets from clotting and being used up if used early on.
-
What is Idiopathic Thrombocytopenic Purpura
- Results from increased platelet death by the immune system causing an increased risk for bleeding.
- Acute ITP affects kids 2-6 yrs and occurs after some viral infections like rubella or chickenpox
- Chronic affects mostly adult women 20-40 years
- May be drug induced or associated with pregnancy
-
S/s of itp
- Petechiae, ecchymoses, and bleeding from mouth, nose, or Gi
- Acute causes easy bruising, nosebleeds, and bleeding gums
-
Diagnostics of ITP
- Platelets low <20,000 (normal 150,000 -450,000) and small/immature
- Prolonged bleeding time
-
Treatment for ITP
- Acute: may resolve self
- Steroids
- Chemo drugs
- Remove spleen
- Blood transfusion and vit K for bleeding
-
What is Hemophilia
- Group of hereditary bleeding disorders resulting from sever lack of clotting factors
- Common types: A (classic hemophilia) and B (Christmas disease)
- Affects mostly males and rarely does it affect women,but can carry the genes for it
-
Hemophilia Type A is?
- Deficiency of clotting factor VIII (8)
- Is responsible for 80% of all hemophilia
A for eight and eighty
-
What is hemophilia type B
- Deficiency of clotting factor IX. (9)
- Responsible for 15% of all hemophilia
-
_____ has the best prognosis because it does not cause spontaneous bleeding or joint deformities
Mild hemophilia
-
S/s of hemophilia
- Bleeding due to injury or is spontaneous
- Bleeding into muscle or joints causing deformity
- Mild hemophilia may have excessive bleeding after trauma
- Moderate may have occasional spontaneous bleeding
- Severe has frequent spontaneous bleeding and can cause large sub-q and intramuscular hematomas (blood pooling)
-
Diagnostic test for hemophilia
Prolonged ptt, various factor levels measured to determine whats missing
-
Interventions for hemophilia
- If pt says they are bleeding but there are no obvious signs that they are bleeding-TRUST THEM, THEY ARE BLEEDING
- Treat by giving missing clotting factors
-
What is leukemia
- Malignant disease of the WBC
- Causes cells to be abnormal and unable to fight infection
- Cells collect in body tissue and organs like oral mucous membranes, anus, sinuses, and lungs causing inflammation,pain and infection.
- Pt are diagnosed after infection does not clear up easily
-
What is Acute lymphocytic leukemia and Acute Myelogenous Leukemia
- ALL:Leukemia that affects children younger than 15 and involves abnormal growth of lymphocyte precursors
- AML:usually affects people older than 20 and have poor prognosis
Acute leukemia’s may present with sudden high fever, abnormal bleeding, petechiae, ecchymoses, and easy bruising
Death usually from infection
-
What is Chronic LL and Chronic ML
- CLL affects the B and T cell lymphocytes: occurs in adults older than 40
- CML is characterized by Philadelphia chromosomes and occurs most often between he ages 40 - 45
- Chronic usually develops in three stages
- 1. Anemia and bleeding abnormalities- pt feels fine
- 2 and 3: progresses to accelerated and acute phases with scenarios similar to the events seen in acute leukemia’s
Chronic is almost always fatal but pts may have 10+ more years left after diagnosis
-
What is Multiple Myeloma
- Deadly cancer of the plasma cells in the bone marrow
- Almost half the pts die within 3 months of diagnosis because it is silent and deadly
- Early detection could prolong life 3-5 years
- Effects men age 50-70
- Tumors eat the bone tissue
- X ray shows holes in bones
- Death is often caused from sepsis
- Unknown cause
-
S/s of Multiple Myeloma
- Skeletal pain. Constant severe back pain that increases with movement
- Achiness in long bones, joint swelling, tenderness, low-grade, fever, general malaise
- May not feel temperatures well; burns easily
- Pathological fractures of long bones occurring without trauma. (Roll over in bed and break a leg)
-
Diagnostics and interventions
- Cbc, x ray, bone marrow biopsy
- Manage disease and symptoms
- High-dose steroids
- Chemo
-
What is Hodgkins Lymphoma
- Cancer of the lymph system that has Reed Sternberg cells making it very different from other forms of lymphoma
- More prevalent in men and occurs in young adults 15-40
- Most curable type of lymphoma
- Usually starts in clerical lymph nodes of neck
- Unknown cause
-
S/s of Hodgkins Lymphoma
- Painless swelling in common lymph node chains
- Alcohol causes pain at site of disease
- Pt may have cough, dysphasia, or stridor
- Low grade fever, night sweats, fatigue, weight loss, and malaise
-
Diagnostics and interventions for Hodgkin’s lymphoma
Lymph node and bone marrow biopsy, CXR, and bone scan. Lymphangiography- blue dye.
- Treat with radiation and chemo.
- Manage symptoms
-
What is non-Hodgkins lymphoma
- All other types excluding Hodgkin’s lymphoma
- Differ from Hodgkins by NOT have Reed sternberg cells
- These arise from B and t lymphocyte cells
- Cause is unclear but some viruses such as Epstein Barr and herpes play a role
-
S/s of NHL
- Enlarged painless rubbery nodes in cervical and Supra clavicular areas
- Enlarged tonsils and adenoids
- Occasional dyspnea and cough
-
Diagnostics and interventions for NHL
- Biopsied lymph nodes,tonsils, bone marrow, liver, bowel, skin, or other affected tissue
- Bone scans
- CXR
- Lymphangiography -blue dye
- Liver and spleen scans
- Ct of abdomen
- Cbc
- Treatment: chemo, radiation, stem cell transplant
- Manage symptoms
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