Unit 2 Flashcards
T or F: Clinicians should NOT perform testing or initiate abx in pt with bronchitis unless PNA is suspected
True
T or F: Pt should be tested with symptoms of group A strep pharyngitis by rapid antigen detest and/or culture for GAS
True
T or F: Clinicians should treat ever pt with abx is they have suspected strep pharyngitis
False
They should only treat those who have CONFIRMED sterp pharyngitis with abx
Examples of acute respiratory tract infections
Uncomplicated bronchitis
pharyngitis
rhinosinusitis
common cold
T or F: abx have the highest number of medication related adverse reactions
True
1 in 5 ER for adverse drug reactions
Symptomatic tx for adults with ARTI
decongestants
analgestics
antipyretics
cough suppressants
Symptoms of croup
barking cough
inspiratory stridor
retractions
What is croup
Rapid onset of narrowing of subglottic airway secondary to inflammation associated with VIRAL RTI
Usually between ages 6mo-3y
Tx for croup
corticoseroids (Dexamethasone)
nebulized racemic epi
OTC meds = NO relief
Immunizations to help with croup
Diptheria
Rubella
Pertussis coughing fits can last for up to ___ weeks
10
Best way to prevent pertussis
IMMUNIZE with DTaP and Tdap
Pertussis pathogens
B. pertussis
gram-negative requires isolation
Pertussis- how does it work?
Bacteria attach to the cilia of respiratory epithelial cells> produce toxins that paralyze the cilia> cause inflammation of respiratory tract > interferes with clearing of pulmonary secretions
Pertussis incubation period
symptoms usually develop within 5-10 days
infections through the 3rd week after onset of paroxysms or until 5 days after start of effective antimicrobial tx
Cough persists for 1-6 weeks
Pertussis older than 1 treated within ___ weeks and <1y and pregnant women treated within __ weeks of cough onset
3 weeks
6 weeks
Pertussis treatment
Macrolides:
Azithro*
Clarithro
Erythro
Pertussis in infants
APNEA coryza exhaustion no "whoop" low-grade fever paroxysms minimal cough posttussive vomiting
Dx pertussis
NP swab or aspirate and culture
influenza spread by ____
DROPLET
Incubation period for influenza
1-4 days
can infect 1 day before sx and 5-7 days after
s/sx flu
fever myalgia HA malaise nonproductive cough sore throat rhinitis
CHILD: otitis, N/V
T or F: Rapid antigen tests have a sensitivity of 99% and specificities or 25-30%
FALSE
Sensitivity 50-70%
Specificities 90-95%
Tx for flu
Antivirals: 5 DAYS
Zanamivir
Oseltamivir
can reduce duration by 1 days wihen administered within 48 hr of onset
T or F: Antivirals are recommended for all persons with suspected or confirmed flu requiring hospitalization or who have progressed, severe, or complicated
True
Who gets tx for flu
Child <2 Adult >65 COPD, cardio disease, renal,hepatic, hematologiccal, metabolic disorsers, neuro disorders, developmental delay, muscular dystrophy immunocompromised pregnant or postpartum <19 who are on ASA long-term Indians/Alaska natives morbidly obese nursing home resident
Zanamivir (Relenza)
inhaled
for uncomplicated acute illness
For child >7 and older
*NOT recommended for underlying airway disease (asthma, COPD)
Oseltamivir (Tamiflu)
PO
uncomplicated acute illness
For child >2 weeks and older and chemopropylaxiz >1 and older
Marboxil (Xofluza)
uncomplicated flu within 2 days of illness
>12 y and older and at least 40kg
NOT for pregnant or breastfeeding
Peramivir (Rapivab)
IV
acute uncomplicated flu within 2 days
>2y
NOT recommended for chemphylaxis a
T or F: FluMist (LAIV) is not recommended to give now
FALSE
it is recommending LAIV as a suitable option in age appropriate pt
Vaccine forms that contain eggs
Trivalent
Quadrivalent
Approved for 65 y and older
Only vaccine that does not contain eggs
RIV (Recombinant hemagglutinin flu)
Must be 18
Live attenuated influenza vaccine (LAIV4)
2-49 y/o who are not pregnant
healthcare personnel
person in close contact with high-rsk groups
precaution for influenza IIV and LAIV
mod-sever acute illness with or without fever
HX guillain-barre within 6 weeks following dose of flu vaccine
LAIV contraindications
<2 18 and younger receiving ASA therapy prengany asthma >50 y underlying medical contiion( immuno, renal, pulmonary, neuro, hepatic, CV disease. close contact with immuno pt CSF leak or cochlear implant allergic reaction 2-4y with asthma use of antiviral within 48 hr
Risk factor for COVID
> 65
poorly controlled medical conditions
Transmission for COVID
direct person-to-person
Respiratory droplets
lives on contaminated surfaces
less likely to happen 7-10 days illness
mucous membranes in the mouth, eyes, or nose
Clinical manifestation for COVID- child, adult
more infectious in early stages
out-pt management for COVID-child, adult
telehealth
monitor for deterioration
symptomatic and supportive care
usually quarantine for 15 days
Adequate vitamin D intake
Amylase (AML)
enzyme that digest starch and glucose
produced by pancreas, salivary glands, and lung tumors
Increase: pancreatitis, CRF, follow up for perforated peptic ulcer
Decrease: usually insignificant
chronic pancreatitis
pancreatic CA, liver disease
toxemia of prego
In pancreatitis, will rise in 2hr, peak at 12-48hr, return innn 3-4days
Albumin
Bloods main protein, produced by liver, responsible for oncotic pressure
Increase: dehydration
Decrease: malnutrion, liver disorder, chronic disease, burns, nephrotic syndrome, CRF, Hodkins
USes: evaluating edema, liver disease, suspected malnutrition
Total protein
50% albummin
Increase: multiple myeloma
Decrease: prego, cytotoxic drugs, dietary deficiency
USE: suspected hepatic disease, suspected protein deficiency
ALT and AST
Primary located in hepatocytes, leaked when liver is injured ALT(L for liver), AST (S for skeleton or cardiac)
Increase: Both=liver injury, AST= muscle or cardiac injury
Decrease: advanced cirrhosis or hepatitis
Use: dx and monitor liver disease, screen test of pt on meds
Alkaline phosphatase (ALP)
found in all body tissue, produced by liver and bones, unknown function
Increase: obstructed bile ducts, new bone formation in child and pagets disease
Use: detect biliary obstruction, supplement from other liver study
Prostate-specific antigen (PSA)
produced by normal, hyperplastic, and CA
Increase: BPH, CA, following massage, biopsy
Decrease: insignificant
Use: detect disease, stage PA CA
TSH or Thyrotropin
secreted by anterior pituitary and responsible for increasing T3 and T4 by thyroid gland
Increase: hypothyroidism, thyroiditis, inadequate hormone therapy
Decrease: hyperthyroidism
excess levothyroxine
pituitary failure
hypothalamic failure
use: dx thyroid
Elevated TSH indicates
primary hypothyroidism
BUN 8-26
Product of protein metabolism, formed by the liver from ammonia and excreted in urine
Increase: renal insufficiency, increased protein intake, decrease water intake, decrease urine flow, blood in GI tract, inhibition of anabolism, hyperthyroidism, increased protein catabolism
Decrease: nephrosis, liver failure or hepatitis, late prego, overhydration
USE: eval renal, aid in hydration
Creatinine
end product of creatine metabolism
A better measure of renal damage
Bad sensitivity
Increase: a falling GFR, renal impairment, increase muscle mass
Use: screen for renal injury (HTM or DM)
Serum Calcium
Controlled by parathyroid hornome, calcitonin, and adrenal steroids
Ca regulates neuromuscular activity, skeletal development, blood coag
Increase:Hyperparathyroid, parathyroid tumor, pagets, metastatic CA, prolonged immobility, renal disease, diuretics, overuse of antacids, excess ingestion, adrenal insufficiency
Decrease: hypoparathyroid, malabsorption, cushings
Use: neuromuscular, skeletal, and endocrine disorders, aid in arrhythmias, blood clotting problem, acid-base imbalanace, muscle crampy or tetany
Chloride
extracellular anoin, present in blood and stomach, abdosrbed from intestines and excreted by kidney
Increase: nephritis, eclampsia, anemia, cardiac disease, dehydration from diarrrhea
Decrease: fever, DM, PNA, GI loss, CHF, thiazide diuretic
Potassium
intracellular cation
Increase: renal disorder, meds, abnormal intake, burns or crush injury, MI, DKA, , causes hemolyzed specimen
Decrease: renal disorder, meds, excess licorice ingestion
Use: monitor renal, diuretic, arrhythmias, c/o weakness
Sodium
extracellular cation, affects H2O distribution, maintains osmotic pressure, promotes neuromuscular functions
Increase: excess ingestion, inadequate water, aldosteronism
Decrease: HF, cirrhosis, nephrotic syndrome, D/V, CRI, diuretic
Use: elav HF, liver disease, CRF, acid-base
Bilirubin
Degrade RBC,
Increase in unconjugated or indirect: hepatic damage or severe overload in hemolytic disease or SCC
Conjugated or direct: blocked pathway from liver to biliary tree
Neutrophils are what % of total WBC and the role
50-70%
First line of defence against bacteria and inflammation
Lymphocytes are what % of total WBC and the role
25-35%
Increase in chronic or viral infection or in leukemia
Monocytes are what % of total WBC and the role
2-6%
Secondline of defense
stronger and longer lived than neutrophils
respond to viral infections & chronic bacterial infections and inflammation
Eosinophils are what % of total WBC and the role
0-3%
Elevated in allergies, parasites infection, and drug reactions
Basophils are what % of total WBC and the role
1-3%
similar to neutrophils
play a role in preventing blood clotting
elevtated in allergic reactions and hypothyroidism
Immature granulocytes (bands) are what % of total WBC and the role
0-5%
immature or early stage neutrophils
Elevated when body first launching response to bacterial or viral infection and are a sign of acute infection
Shift to the left
increase in bands
Means acute infection
Elevated in leukemia and pernicious anermia
Shift to the right
Increase in mature neutrophils
Seen in disease f liver
Children 2 weeks to 12yr have inverse neutro:lymph relationship
Neutro: 29-47%
Lymph: 38-63%
palpate for respiratory exam
- trachea at suprasternal notch
- posterior chest wall (fremitus/transmission of vibration)
- Anterior chest wall (assess cardiac impulse)
Pulmonary function test measures what 3 things
Airflow rates
Lung volumes
Ability of lung to transfer gas across alveoli-cap membrane
What indicates to the FNP that the pt needs PFT
type/extent of lung dysfunction
dx of causes of dyspnea and cough
detect early lung dysfunction
follow-up response to therapy
pre-op assessment
disability eval
T or F: A pt with acute severe asthma should have PFT done
FALSE
Contraindicated in acute severe asthma, resp. disress, angina, pneumothorax, hemoptysis, active TB
T or F: To measure PFT, you compare the pt values to values derived from a large study
TRUE
What is Kussmals resp
RAPID, LARGE-VOLUME breathing = intense stimulation of resp center r/t METABOLIC ACIDOSIS
What is Cheyne-stokes
RHYTHMIC, wax/waning of rate and TV
Regular periods of apnea
Seen in LV failure, neuro dx, sleep at high altitude
Digital clubbing is a sign of what?
lung abscess empyema bronchiectasis CF idiopathic pulm fibrosis AV malformation late presentation concomitant lung cx
What is cyanosis
blue-bluish gray discoloration of skin & mm due to increase amount of UNSATURATED HgB in capillary blood
T or F: cyanosis if a reliable indicator of hypoxemia
FALSE
Need to get PaO2 or Hgb measurement
increased CVP indicates
measure pulmonary HTN Impaired ventricular function Pericardial effusion or restriction Valvular hear dx COPD
BLE edema indicates
Pulmonary HTN with chronic lung disease= RV failure
Expansion of the chest but collapse of abd on inspiration indicates what
weakness of diaphragm
Causes of asymmetric chest expansion
Unilateral vlm loss
unilateral airway obstruction
Asymmetry pulmonary/pleural fibrosis
Splinting from chest pain
Dull percussion indicates?
Lung consolidation,
Pleural effusion
Hyperresonant percussion Indicates?
emphysema
pneumothorax
Bronchial lung sounds heard over periphery of lung
Imply consolidation
Globally diminished lung sounds indicates?
Predicitive of significant airflow obstruction
Wheezing indicates?
high-pitched, muscial, distinct whistle sounds
BRONCHOSPASM, MUSCOSAL EDEMA, EXCESSIVE SECRETIONS due to narrow airway
- powerful indicator of obstructive lung disease
Rhonchi indicates
lower-pitched, snorous, gurgling quality- larger airways=excessive secretions and abnormal airway collapse
CLEARS AFTER COUGH
Fine crackles indicates
soft, high-pitches, crisp
with interstitial dx or early pulmonary edema
Fine-late inspiratory crackles indicates?
pulmonary fibrosis
Coarse crackles indicates?
louder, lower-pitches,
PNA, obstructive lung dx, late pulm edema,
Early coarse crackles indicates what?
PNA or HF
Normal lung sounds hear over suprasternal notch are ?
tracheal or bronchial (louder, higher-pitched, hollow quality, louder on expiration
T or F: spirometry is good for measuring lung vml to assess presence or severity of obstructive/ restrictive pulmonary dysfunction
TRUE
expressed in FEV and FVC
FEV is?
Forced expiratory vlm.
Measure how much air a person can exhale during a forced breath
FEV1?
amnt of air exhaled during 1st forced breath
FVC?
forced vital capacity
total amnt of air exhaled during entire FEV test
Obstructive dysfunction
decreased FEV1/FVC ratio
reduced airflow rates seen in asthma, COPD, bronchiectasis, bronchiolitis, upper airway obstruction, CF
Decreased FEV1/ FVC ratio seen in what disease
asthma
COPD
bronchiectasis, bronchiolitis, upper airway obstruction, CF
T or F: If obstruction is evident (decrease FEV1/FVC) you need to repear spirometry 50 minutes after inhaled bronchodilator to help assess if dx is reversible
FALSE
Do it 10-20minutes after bronchodilator
Restrictive dysfunction (Decreased FVC) Chest Wall
ankylosing spondylitis
kyphosys
obesity
scholiosis
Restrictive dysfunction (Decreased FVC) DRUGS
amio
methotrexate
Restrictive dysfunction (Decreased FVC) Interstitial lung dx
asbestosis PNA idiopathic pulm fibrosis Sarcoidosis Large PE pleural thickening prior lung resection
Restrictive dysfunction (Decreased FVC) NEuromuscular Dx
GBS
amyotrophic lateral sclerosis
MD
MG
Those at risk for CAP
older
etoh/tobacco
asthma/copd/immuno
PNA signs
fever (low in eldery) dyspnea tachypnea mental status change bronchial breath sounds inspiratory crackles