General deck 4 - labs Flashcards
of RBCs:
4.5-6million
MCV=
volume
MCH=
color
MCHC=
color
Hemoglobin count:
15 +/- 3
Hematocrit count:
43 +/- 5
Platelet count:
150-400k
Thrombocytes are used for:
clotting
WBC counts:
5-10k
Lifespan of WBC:
15-30 days
12,000 WBCs=
sick (bacterial)
15,000 WBCs=
hospital (bacterial)
17,000 WBCs=
Schilling’s Shift (bacterial)
Over 20,000 WBCs=
Radiation exposure (myeloid reaction)
Over 50,000 WBCs=
cancer, leukemia
WBC differential:
Neutrophils 60%, Lymphocytes 30%, Monocytes 8%, Engine 3%, Basophils, 0-1% (Never let my engine blow)
Increase in neutrophils is caused by:
bacterial infection, most commonly staph
Increase in lymphocytes is caused by:
viral infection
Decrease in neutrophils is caused by:
viral infection
Increase in monocytes is caused by:
chronic infection
Increase in eosinphils is caused by:
allergies
Increase in basophils is caused by:
heavy metal or polycythemia
Most common cancer in children:
acute lymphoblastic leukemia
acute lymphoblastic leukemia:
Most common cancer in children, 3-5 yo, progresses rapidly, affects immature blood cells
Acute nonlymphoblastic leukemia:
rapid cancer, affects myeloid WBCs, MC leukemia in adults
Most common leukemia in children:
Acute nonlymphoblastic leukemia
Chronic myelogenous leukemia:
slow, uncommon adult form with Philadelphia chromosome
Chronic lymphocytic leukemia:
slow, elderly
Decreased RBC maturation with increased MCV:
macrocytic normochromic anemia
Causes of macrocytic normochromic anemia:
poor uptake of B12, B9 deficiency
RBC loss with decreased MCV and decreased MCHC:
Microcytic hypochromic anemia
Causes of Microcytic hypochromic anemia:
iron deficiency and chronic hemorrhage
Thalassemia is common in what groups?
Mediterranean and European
Sickle cell anemia is common in what group?
African American
AVN of the femoral head is a complication of what anemia?
sickle cell
RBC destruction and decreased RBC # is associated with what anemia:
normocytic normochromic
Causes for normocytic normochromic anemia:
hemolytic, aplastic, acute hemorrhage
Dark red urine indicates:
inflammation, lesions or ulceration of related organ
Smoky color urine indicates
upper tract lesion
White urine indicates:
stagnation of blood, fat and mucus deposits, weakness in blood
Yellow urine indicates:
disorder of liver and gallbladder, excess bile secretion, deposits of animal fats
Orange urine indicates:
B vitamins are high
Black urine indicates:
Onchrosis, end stage Malaria
Increased specific gravity:
diabetes mellitus
Decreased specific gravity:
diabetes insipidus
Proteinuria:
nephron disease, multiple myeloma and muscular dystrophy
Glucose in urine:
diabetes mellitus, shock
ketones in urine:
diabetes mellitus, starvation
Blood in urine with pain:
trauma, infection, stone
Painless blood in urine:
cancer
Billirubin + bacteria =
urobilinogen
Pus in urine:
bladder, urethra usually
Casts in urine:
nephron disease
Schilling’s test:
B12, 24 hr urine test
IgG:
chronic, 85%, 2nd to fight (bacterial, fungus, toxins)
IgA:
5-10%, mucosal linings (GI and lung)
IgM:
acute, 5-10%, 1st to fight
IgE:
asthma, allergies, small amount, hypersensitivity defense
IgD:
trace
Clay colored stool:
biliary obstruction
Tarry colored stool:
iron or blood
Steatorrhea:
fat in stool from GB/pancreas or malabsorption
Frank blood in stool:
lower GI, red
Occult blood in stool:
upper GI, GUAIAC