-
negative pressure =
inspiration
-
what allows for passive release of air
relaxing of intercostal muscles and diaphragm
-
surfactant is excreted by
alveolar epithelium
-
upper respiritory disorders
- acute rhinitis(common cold)
- influenza
- chronic and acute sinusitis
- sleep apnea
-
influenza works by
- -infects respiratory epithelium
- -rapidly replicates
- -inflammation leads to necrosis and shedding of serous and ciliated cells
- -extracellular fluid escapes
- -serous cells replaced results in cough
-
rhinorreha
when extracellular fluid escapes
-
influenza problems
- - inflamatory process can cause secondary bacterial infection( sinusitus, ottis media)
- - tracheobronchitus
- pneumonia
-
is acute rhinitis viral or bacterial?
viral
-
actue rhinitis two types of viruses
- rhinovirus: mild
- coxsac and adenovirus: severe
-
acute rhinitis
-how is it contracted
-how long can it survive
-
acute rhinitis complications
pharyngitis, sinusitis, ottis media, tonsilites, lung infection
-
acute rhinitis S/S
- gradual
- rare fever
- no headache
- slight aches and pain
- sinus congestion
- ear ache
-
allergic rhinitis treatment goal
reduce inflammation, nasal symptoms
-
allergic rhinitis medication therapy
antihistamines, decongestant, leukotriene receptor antagonist, 2nd generation antihistamine
-
acute viral rhinitis medication therapy
- rest and fluids
- ice chip, losange
- saline nasal spray
- antihistamine, dwcongestant, antipyretics, analgesics
-
influena
highly contagious resp. illness
-
influenza
-season
-peak
-strains
- sept-april
- nov-march
- A, B and C, but only A and B are sig. to humans
-
influenza A protiens
- surface protiens H and N
- H- enables virus to enter the cell
- N- facilitates cell to cell transmission
MOST COMMON MOST VIRULENT
-
influenza A comes from
birds, pigs, horses, seals, dogs
-
influenza B and C
- not divided into subtypes
- only affect humans
-
influenza
-incubation
-peak transmission
- - 1-4 days
- - 1 day before onset of symptoms, continuing 5-7 days after sick
-
INfluenza S/S
- abrubt
- chills, fever (102-104), general malasia,
- headache, couch;, sore throat, fatigue
-
influenza comlications
pneumonia, ear or sinus infection
-
influenza medication treatment
- Relenza: inhaled
- Tamiflu: oral
- Rapivab: IV-
- amantadine or rimantadine prophylaxis
- - antiviral drugs reduce duration and severity
- - OTC drugs for symptoms( tylenol and zinc)
-
when is the best time to get the influenza vaccine
- septembera
- vaccine takes 2 weeks for protection
-
is influenza viral or bacterial
viral, but can cause secondary bacterial infections
-
influenza viral culture
via swab of the throat, nose, sputum, et tube, bronchial wash
-
rapid flu test
from nasal secretions
-
sinusitus
when inflammation of the mucosal blocks the openings in the sinuses through which mucous drains
-
sinusitis typically follows
an upper resp infection
-
how does sinusitis happen
virus penetrates the mucous membrane and decreases ciliary function
-
sinusitus treatment
usually resolves w/o treatment in less than 14 days
-
what causes sinusitus(etiology)
bacteria, virus, fungus
-
acute sinusitus results from
- upper resp infection
- allergic rhinitis
- swimming
- dental manipulation
-
chronic sinusitus is defined by
lasting longer than 3 weeks
-
actute sinusitus S/S
- pain on sinus
- purulent drainage
- FEVER
- malaise
- congestion
- enlarges turbinates
- bad breath
- edematous mucosa
-
acute sinusitus treatment
- symptom relief
- decongestant, steroid, analgestic, saline spray
- amoxicillin is first choice
-
-
chronis sinusitus S/S
- rarely
- increased drainage
- facial or dental pain
- NON SPECIFIC SYMPTOMS
-
chronic sinusitus treatment
broad spectrum antibiotic
-
upper respiratory consists of
-
upper respirator helps with
- cleaning
- moisture
- warms air
- catches large and small particles
-
older adults with chronic diseases
- cilia slow down residual lung volume
- cough with force
-
COPD
- decrease drive of CO2
- careful with the amount of O2 pt is put on
-
lower respiratories 2nd line of defense
glottis
-
sleep apnea
-defined as
-cessation of
-pt may experience
- -partial or complete upper airway obstruction
- -resp flow 90% or greater lasting longer than 10 sec
- -hypoxemia or hypercapnia
-
sleep apnea most often occurs during
REM sleep
-
factors for cause of sleep apnea
- -no single cause
- -multiple factors related to airway patency and tone of airways musculature
-
sleep apnea risk factors
- -obesity
- -over 65
- -neck circum over 17 in
- -smoker
- men
-
sleep apnea tests
- STOP-BANG
- 5 events per hour lasting 10 sec and 3-4% in o2 decrease
-
acute bronchitis is viral or bacterial?
viral
-
what is acute bronchitus
self limiting inflammation of the bronchi in the lower respiratory
-
acute bronchitis S/S
- -3 week cough
- -clear mucoid secretion
- -headache and fever
- -malaise and hoarse
- -dyspnea and chest pain
-
acute bronchitis medication treatment
- -cough syrup
- -fluids
- -humidifier
- -antiviral drugs zanamiviror or oseltamivir
-
pnuemonia
infection of the lung parechyma
-
organisms that cause pneumonia reach the lungs in 3 ways
- 1) aspiration of normal flora
- 2) inhalation of microbes present in the air. (mycoplasma pneumonia and fungal pneumonia)
- 3) hematogenous spread from a primary infection within the body( streptococci, S. aureus)
-
community aquired pnuemonia is classifyed when
have not been hospitilized w/in 14 days of onset of S/S
-
community aquired pneumonia CURB-65 Scale
- -confusion
- -BUN > 20
- -Resp ≥ 30/min
- - <90/≤60
- - 65 years old
-
community aquired pnuemonia treatment
- empiric anitbiotic
-
empiric AB
initiation of treeatment b4 a diagnosis or causative agent is confirmed
-
hospital aquired pnuemonia
- -noscomial
- -non intubated pt
- -48 hrs after admin
-
Aspiration Pnuemonia
abnormal entry of material from mouth or stomach into trachea or lungs
-
Aspiration Pnuemonia risk factors
- -decrease level of conciousness
- -head injury
- -stroke
- -alcohol intake
- -primary bacterial infection
-
oppourtunistic pnuemonia
inflammation of lower respiratory tract in immuno comprimised pt's
-
oppourtunistic pnuemonia pt are at risk for
CMV and Carnni
-
oppourtunistic pnuemonia most common form in HIV pt
P. jiroveci
-
pnuemonia S/S
- -green, yello or rusty sputum
- -fever and chills
- -dyspena/tachypena
- -plueretic chest pain
- -cough may or may not be productive
- -hypotension
- -cyanosis
-
pnuemonia lung sounds
fine or coarse crackles
-
testing for pnuemonia
- -chest xray
- -sputujm
- -blood culture
- -ABG
- -WBC
-
pnumonia S/S in older adults
hypothermia
-
fungal infection
what
how
- -infectious process in the lungs
- -caused by endemic or oppourtunistic fungi
-
fungal infection treatment
- amphotericin B IV treatment
- the 'azoles"
-
contracting fungal infection
- -geography
- -spores
- -not human to human
- -coccidioids from soil of dry areas
-
fungal pnuemonia S/S
similar to bacterial pnuemonia
-
lung abcesses
necrosis of lung tissue resulting from bacteria aspirated from the oral cavity in pt w/ periodontal disease
-
lung abcesses area most affected
posterior segment of the upper lobes
-
lung abcesses S/S
- -foul or sour sputum
- -slow
- -cough producing sputum
- -hemoptysis
- -via blood stream
-
lung abcesses lung sounds
- -dullness or percussion and decreased breath sounds
- -crackles
-
ABG
where the test is done
radial or femoral artery
-
ABG
what it tests for
to asses acid-base balance, oxygenation, ventillation, o2 changes and ventilator changes
- upper and lower problems
- check for severe breathing and lung problems
-
oxemitry
monitors arterial or venous o2 sat
upper and lower
-
oxemitry
normal SPo2
normal SVo2
-
xray
- for sinusitus
- mostly to confirm chronic sinusitus
-
CT
- for suspicious lessions difficult to asses by xray
- -contrast
-
polysomnography
sleep study
-
chest xray
changes in resp system
EX: pnuemonia, lung abscess
-
CBC
- measures the cells that make up your blood
- -wbc, rbc, hbg, hct
-
hemoglobin
what it is
protien in blood that holds o2
-
hemoglobin
what it test for
- amount of hemoglobin available for combo w/ o2
- -venous blood
-
-
hematocrit
- ration of RBC to plasma
- -venous blood
-
increased hematocrit is found in
chronic hypoxemia
-
-
lung abscess treatment
- -monitor vitals, conciousness and respiratory for hypoxemia
- -IV AB clindamycin ASAP
-
antitussives
cough and congestion
-
corticosteroid
inflamation
-
anticholenergenic
- reduce nasal secretions in common cold and non allergic
- -helps with cough
- -upper resp
-
ventilation
movement of gasses in and out of lungs
-
diffusion
movement of o2 and co2 between alveolia and RBC
-
perfusion
distribution of RBC to and from pulm caps
-
asses ventilation by
- -rr
- -depth and rythm
- -ETCO2
-
asses diffusion and perfusion by
determining o2 sat
-
hypoxemia
low levels of arterial o2
-
what does surfactant do
reduces surface tension of fluid in the lungs and keeps alveoli stable
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