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Chapter 24 The Pediatric Examination Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 1 Pretest True or False 1. A pediatrician is a medical doctor who specializes in the diagnosis and treatment of disease in children. 2. The first well-child visit is usually scheduled 1 week after birth. 3. Length is measured with the child standing with his back to the measuring device. 4. Blood pressure should be taken on a child starting at 8 years of age. 5. It is best not to tell a child that an immunization will hurt. Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 2 Pretest, cont. True or False 6. The vastus lateralis muscle site is recommended for administering an injection to an infant. 7. An MMR injection includes the following immunizations: measles, meningitis, and rubella. 8. A Vaccine Information Statement explains the benefits and risks of a vaccine in lay terminology. 9. The hepatitis B vaccine can be given to a newborn. 10. The blood specimen for a newborn screening test is obtained from the infant's earlobe. Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 3 Content Outline Introduction to the Pediatric Examination 1. Pediatrics deals with: a. Care and development of children b. Diagnosis and treatment of diseases in children 2. Pediatrician: medical doctor who specializes in pediatrics Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 4 Pediatric Office Visits 1. Well-child visit (health maintenance visit) a. Components • • Evaluation of growth and development of child Physical examination – To detect any abnormal conditions associated with child's stage of development Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 5 Pediatric Office Visits, cont. • Anticipatory guidance – Provides parents with information to prepare for anticipated developmental events – Assists parents in promoting child's well-being Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 6 Pediatric Office Visits, cont. – Topics included are: 1) 2) 3) 4) Safety Nutrition Sleep Play 5) 6) 7) Exercise Development Discipline Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 7 Pediatric Office Visits, cont. b. Typical schedule for well-child visits • • • • • 1 month 2 months 4 months 6 months 9 months • • • • 15 months 18 months 24 months Yearly thereafter Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 8 Pediatric Office Visits, cont. 2. Sick-child visit: child exhibits signs and symptoms of disease a. Physician evaluates patient's condition to arrive at a diagnosis and prescribe treatment 3. Procedures performed by medical assistant during pediatric office visits: a. b. c. d. Vital signs Weight Visual acuity Assisting with physical examination Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 9 Developing a Rapport 1. Important to establish rapport with child 2. If trust and confidence gained: a. Child more likely to cooperate during examination or procedure 3. Requires special techniques a. Based on age of child Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 10 Developing a Rapport, cont. b. Examples: • Toddlers: respond well to making a game of the procedure Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 11 Developing a Rapport, cont. • School-age children: explain purpose of an instrument Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 12 Developing a Rapport, cont. 4. Explain procedure to children who are able to understand 5. Approach child at his or her level of understanding a. Know what to expect from a child at a particular age • Both motor and social development 6. Realize that a child may regress when ill Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 13 Carrying the Infant 1. Lift and carry infant in a manner that is: a. Safe b. Comfortable Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 14 Carrying the Infant, cont. 2. Cradle position a. Infant is cradled with his or her body resting against MA's chest Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 15 Carrying the Infant, cont. 3. Upright position a. Infant is held upright while resting against the MA's chest Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 16 Growth Measurements 1. One of the best methods to evaluate progress of child 2. Measured at each office visit and plotted on growth chart: a. Weight b. Height (length) c. Head circumference (up to 3 years) Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 17 Measuring Weight 3. Weight a. Use: • Determine nutritional needs • Calculate proper medication dosage b. Infants: measured in recumbent position c. Older children: measured in standing position Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 18 Measuring Weight, cont. Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 19 Length 4. Length and height a. Length • Measured in children younger than 24 months • Measured from vertex of head to heel in supine position • Two people are required to accurately determine length Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 20 Measuring Length Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 21 Height b. Height (stature) • Older children: measured in standing position Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 22 Head Circumference 5. Head circumference (HC) a. Infancy: period of rapid brain growth • Important to measure HC in children under age 3 – Plot on a growth chart Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 23 Head Circumference, cont. b. Newborn HC range: 32-38 cm (12.5-15 inches) c. 4-inch (10-cm) increase in HC: occurs in first year of life d. Important screening measure for: • • Macroencephaly Microencephaly Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 24 Chest Circumference 6. Chest circumference (CC) a. At birth: HC is approximately 2 cm larger than CC Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 25 Chest Circumference, cont. b. Chest grows at faster rate than cranium • Between 6 months and 2 years: measurements are about the same – After age 2: CC is greater than HC c. CC not typically measured on routine basis • Only when heart or lung abnormality is suspected Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 26 Growth Charts 1. Should be part of child's record 2. National Center for Health Statistics developed growth charts to determine if child's growth is normal 3. Identifies children with growth or nutritional abnormalities 4. MA responsible for plotting child's measurements on growth chart Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 27 Growth Charts, cont. 5. Use of growth charts a. Compares child's weight and length (or height) with children of same age • • Example: 18-month-old boy: Weight: 25th percentile; Height: 80th percentile Interpretation – 75% of 18-month-old boys weigh more; 25% weigh less – 20% of 18-month-old boys are taller; 80% are shorter Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 28 Growth Charts, cont. b. Look at child's growth pattern (primary use) • Physician investigates significant changes in growth pattern: – Rapid rise – Rapid drop Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 29 What Would You Do? What Would You Not Do? Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 30 What Would You Do? What Would You Not Do? Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 31 Pediatric Blood Pressure Measurement 1. American Academy of Pediatrics recommends: a. Children 3 years of age and older: measure BP annually 2. Purpose a. Identify children at risk for developing hypertension as adults b. Identify children with kidney disease or heart disease • Once treated: BP usually returns to normal Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 32 Pediatric Blood Pressure Measurement, cont. 3. Overweight children: usually have higher BP than those of normal weight a. To reduce BP: weight loss through a prescribed diet and physical activity Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 33 Pediatric Blood Pressure Measurement, cont. 1. Use correct cuff size a. If cuff too small: BP may be falsely high b. If cuff too large: BP may be falsely low Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 34 Pediatric Blood Pressure Measurement, cont. 2. Cuffs come in a variety of sizes a. Measured in centimeters b. Size of cuff: refers to inner inflatable bladder (not cloth cover) c. Name of cuff (child, adult) • Does not necessarily imply that it's appropriate for that age Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 35 Cuff Selection Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 36 Pediatric Blood Pressure Measurement, cont. 3. Determining proper cuff size a. Assess child's arm circumference: midpoint between acromion process (shoulder) and olecranon process (elbow) b. Bladder of cuff should encircle 80%-100% of arm Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 37 Determining Proper Cuff Size Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 38 Pediatric Blood Pressure Measurement, cont. 1. Make sure child is relaxed a. Apprehension can cause BP to be falsely high Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 39 Pediatric Blood Pressure Measurement, cont. 2. To reduce anxiety: a. Explain procedure b. Allow child to handle equipment (if appropriate) 3. Measure BP after child has been sitting quietly for 3-5 minutes Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 40 Blood Pressure Classifications 1. Pediatric BP varies depending on: a. Age b. Height c. Gender Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 41 Blood Pressure Classifications, cont. 2. NHBPEP (National High Blood Pressure Education Program) a. Prepared a set of tables used to determine if child's BP is higher than average among children of same age and height b. If BP higher than 90%-95% of other children of same age, height, gender: may have hypertension c. Allows precise classification of BP according to body size • Avoids misclassifying children at extreme ends of normal growth Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 42 Blood Pressure Classifications, cont. • Examples: – A very tall child will not be mistakenly diagnosed as having hypertension – Hypertension will not be missed in a very short child d. Can access NHBPEP tables at following website: http://www.nhlbi.nih.gov/guidelines/hypertensio n/child_tbl.pdf Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 43 Blood Pressure Classifications, cont. 3. BP varies throughout the day due to normal fluctuations in: a. Physical activity b. Emotional stress 4. If child's BP elevated: a. Two or more readings must be taken at different visits: before diagnosis of hypertension can be made Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 44 What Would You Do? What Would You Not Do? Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 45 What Would You Do? What Would You Not Do? Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 46 Collection of a Urine Specimen 1. Purpose a. May be required as part of physical examination • To perform a urinalysis to screen for disease b. Assist in diagnosis of pathologic condition c. Evaluate effectiveness of therapy Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 47 Collection of a Urine Specimen, cont. 2. Pediatric urine collector a. Used for infants or young children who cannot urinate voluntarily b. Consists of plastic disposable bag with adhesive around the opening • Adhesive attaches bag to genitalia Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 48 Pediatric Urine Collector Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 49 Pediatric Injections 1. Experience child has with early injections: a. Influences his or her attitude toward later ones 2. Children old enough to understand: explain procedure a. Be honest and attempt to gain trust and cooperation • • Tell child it will hurt, but only for a short time Explain that the medication will help child get better Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 50 Pediatric Injections, cont. 3. Another person should be present to: a. Help position child b. Divert or restrain child, if needed 4. If child struggles/fights excessively: a. Delay injection and consult physician Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 51 Types of Needles 1. Intramuscular (IM) injection a. Gauge and length of needle based on: • Consistency of med – Thick, oily medications: require a larger needle lumen • Size of child – Needle must be long enough to reach muscle tissue Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 52 Types of Needles, cont. b. Length of needle range: ⅝-1 inch c. Gauge range: 22-25 • Depends on viscosity of medication 2. Subcutaneous (SC) injection a. Length of needle range: ⅜-½ inch b. Gauge range: 23-25 Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 53 Intramuscular Injection Sites 1. Site varies on the basis of child’s age 2. Injection site: indicated in package insert accompanying med a. Dorsogluteal site • Until child is walking, gluteus muscle is: – Small and not well-developed – Covered with a thick layer of fat Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 54 Dorsogluteal Site • Injection may come close to sciatic nerve – Danger increased: if child squirming or fighting • Do not use gluteal site until child has been walking for at least 1 year Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 55 Dorsogluteal Site, cont. Courtesy Wyeth Laboratories, Madison, NJ Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 56 Vastus Lateralis Site b. Vastus lateralis site • Recommended for infants and young children • Located on anterior surface of midlateral thigh – Away from major nerves and blood vessels – Muscle is large enough to accommodate the medication Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 57 Vastus Lateralis Site, cont. Courtesy Wyeth Laboratories, Madison, NJ Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 58 Vastus Lateralis Site, cont. • Length of needle: depends on size of thigh – 1 inch used most often • To administer injection: – Infant is placed on back – Thigh is grasped in order to: 1) Compress the muscle tissue 2) Stabilize the extremity – Injection is administered into the compressed tissue Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 59 Deltoid Site c. Deltoid site • Deltoid muscle is shallow: – Can accommodate only small amount of medication • To administer injection: – Muscle is grasped between thumb and fingers – Needle inserted pointing slightly upward toward shoulder Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 60 Deltoid Site, cont. Courtesy Wyeth Laboratories, Madison, NJ Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 61 Intramuscular Injection Sites, cont. • After administering injection to an infant: – Hold infant to provide comfort – Show approval 1) So child associates something other than pain with procedure Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 62 Immunizations 1. Immunity: resistance of the body to effects of harmful agents, such as pathogenic microorganisms and their toxins 2. Active, artificial immunization: process of becoming immune through use of a vaccine or toxoid a. Vaccine: a suspension of attenuated (weakened) or killed microorganisms administered to an individual • To prevent an infectious disease by stimulating the production of antibodies in that individual Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 63 Immunizations, cont. b. Toxoid: a toxin (poisonous substance produced by a bacterium) that has been treated by heat or chemicals to destroy its harmful properties • It is administered to an individual to prevent an infectious disease by stimulating the production of antibodies in that individual Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 64 Immunizations, cont. 3. Purpose of childhood immunizations a. Build body's defenses b. Protect from certain infectious diseases Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 65 Immunizations, cont. 4. Administered to infants and young children during well-child visits a. American Academy of Pediatrics: • Publishes a recommended childhood immunization schedule annually (www.aap.org) Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 66 Immunization Schedule From Department of Health and Human Services, Centers for Disease Control and Prevention, United States, 2008 Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 67 Immunizations, cont. 5. Be familiar with each immunization including: a. b. c. d. e. Use Common side effects Route of administration Dose Method of storage Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 68 Immunizations, cont. 6. Package insert comes with each immunization: contains info about drug a. Physician’s Desk Reference (PDR) can also be used to locate information Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 69 Immunizations, cont. 7. Immunizations administered to infants and children: a. Hep B: Hepatitis B vaccine (IM) b. DTaP: Diphtheria and tetanus toxoids and acellular pertussis vaccine (IM) c. Hib: Haemophilus influenzae type b conjugate vaccine (IM) d. IPV: Inactivated polio vaccine (IM or SC) Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 70 Immunizations, cont. e. MMR: Measles, mumps, and rubella vaccine (SC) f. Varicella: Chickenpox vaccine (SC) g. PCV: Pneumococcal conjugate vaccine (IM) 8. Immunization record card provided to parents a. Instruct parent to bring to well-child visits • Child's immunizations can be recorded Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 71 Immunizations, cont. b. Instruct parents in: • • Normal side effects of immunizations What to do if side effects occur Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 72 Immunization Record Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 73 National Childhood Vaccine Injury Act (NCVIA) 1. NCVIA became effective in 1988 2. Requires parents be provided with: a. Information about benefits and risks of childhood immunization 3. CDC developed vaccine information statements (VISs) a. Explains benefits and risks of immunizations in lay terms Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 74 Vaccine Information Statement Courtesy Centers for Disease Control and Prevention, Atlanta Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 75 National Childhood Vaccine Injury Act (NCVIA), cont. 4. Before a child receives an immunization: a. Appropriate VIS must be given to child's parent or guardian b. Parent must be given enough time to read VIS Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 76 National Childhood Vaccine Injury Act (NCVIA), cont. 5. Information that must be charted in patient's medical record (required by NCVIA) a. Name and publication date of each VIS given to parent b. Date the VIS provided to parent c. Date of administration of vaccine Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 77 National Childhood Vaccine Injury Act (NCVIA), cont. d. Manufacturer and lot number of vaccine e. Signature/title of health care provider who administered vaccine f. Address of medical office where vaccine was administered Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 78 Immunization Record Modified from Immunization Action Coalition, St. Paul, Minn Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 79 What Would You Do? What Would You Not Do? Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 80 What Would You Do? What Would You Not Do? Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 81 Newborn Screening Test 1. Screens for presence of certain metabolic and endocrine diseases 2. Diseases included in newborn screening vary by state, but usually include: a. b. c. d. e. f. g. h. Phenylketonuria (PKU) Biotinidase deficiency Congenital adrenal hyperplasia Maple sugar disease Congenital hypothyroidism Galactosemia Homocystinuria Sickle cell anemia Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 82 Newborn Screening Test, cont. 3. PKU a. Congenital hereditary disease b. Caused by lack of the enzyme: phenylalanine hydroxylase • Needed to convert phenylalanine (an amino acid) into tyrosine – Tyrosine: needed for normal metabolic functioning Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 83 Newborn Screening Test, cont. c. Without this enzyme: phenylalanine accumulates in blood d. If left untreated, causes: • • • Mental retardation Tremors Poor muscle coordination Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 84 Newborn Screening Test, cont. e. If detected early: • Infant placed on special low-phenylalanine diet f. If treatment is started before child reaches 3-4 weeks of age: normal development usually occurs g. Lifelong dietary restriction of phenylalanine recommended Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 85 Newborn Screening Test, cont. h. Uncommon condition • • Affects 2 out of every 12,000 births Early diagnosis leads to better prognosis i. Phenylalanine can be detected in blood of an affected child: • Only after intake of breast or formula milk Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 86 Newborn Screening Test, cont. j. Formula-fed infants: can be tested earlier because formula contains phenylalanine k. Colostrum (first breast milk): does not contain phenylalanine • Test results of breastfed infants: invalid until mother begins producing milk Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 87 Newborn Screening Test, cont. 4. Newborn screening a. All states require newborn screening b. Best time to perform: between 1 and 7 days after birth c. In most states: • Performed before infant leaves hospital • If test results are abnormal or invalid Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 88 Newborn Screening Test, cont. – Infant must be retested 1) Usually due to collection of an inadequate amount of blood 2) Retesting: often performed in medical office Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 89 Newborn Screening Test, cont. d. Performed on capillary blood • Obtained from lateral plantar surface of medial or lateral heel Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 90 Newborn Screening Test, cont. e. Specimen placed on special filter paper attached to test card Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 91 Newborn Screening Test, cont. f. Test mailed to outside laboratory. g. If test is positive: further testing performed Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 92 Posttest True or False 1. 2. 3. 4. 5. A well-child visit is also referred to as a health maintenance visit. A reason for weighing a child is to determine proper medication dosage of medication. Growth charts can be used to identify children with growth abnormalities. Measuring pediatric blood pressure helps to identify children at risk for developing type 1 diabetes. Using a blood pressure cuff that is too large for the child can result in a falsely low reading. Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 93 Posttest, cont. True or False 6. The length of the needle used for a pediatric IM injection depends on the amount of medication being administered. 7. The resistance of the body to pathogenic microorganisms or their toxins is known as inflammation. 8. The recommended route of administration for an MMR is subcutaneous. 9. Before administering a pediatric immunization, the NCVIA requires that the parent sign a consent form. 10. If PKU is left untreated, it can lead to malnutrition. Elsevier items and derived items © 2009 by Saunders, an imprint of Elsevier Inc. 94