TEST 2 Flashcards
what is important to know about simple masks
5-10 LPM
30-55% FiO2 (not exact)
can be humidified
must have 5+ LPM to prevent rebreathing
uses and contraindications of simple mask
uses- non acute situation
mild hypoxia
contraindications- needs below 5LPM
acute respiratory distress
Severe hypoxia
what is important to know about non-rebreather mask
10-15 LPM (high flow)
80-100% FiO2
unable to be humidified
reservoir bag MUST be inflated
Uses and contraindications of non-rebreather mask
uses- acute respiratory distress
short term high oxygen needs
contraindications- long term use
what is important to know about venturi mask
2-15 LPM
24-50% FiO2
prevents over oxygenation
different colors designed for exact FiO2
can be humidified
uses and contraindications of venturi mask
uses- underlying lung disease
contraindications- O2 needs over 50% FiO2
what is important to know about nasal cannula
1-6 LPM
24-45% FiO2
can be humidified
uses and contraindications of nasal cannula
uses- non acute situation
mild hypoxia
mouth breathing
contraindications- acute resp distress
severe hypoxia
mouth breathing
** i dont understand how mouth breathing is a use and a contraindication but thats what her poster says)
what is important to know about trach masks
5-15 LPM
35-90% FiO2
minimum of 5L required to prevent rebreathing
must be humidified
if O2 is not needed, compressed air with humidification is used
uses and contraindications of trach masks
uses- delivery of humidification and O2
for trach patients (duh??)
contraindications
patients without a trach (is this a joke)
what is important to know about 1/2 mask/face tent/shovel mask and what are the uses
5-15 LPM
35-50% FiO2
uses- delivery of higher amounts of humidification
postop oral/nasal surgery
Risk factors for TB
close contact with someone w/ active tb
immigration from other countries w/ a high prevalence(southeast asia, africa)
institutionalism (close proximity)
living in overcrowded, substandard housing
caring for immunosuppressed patients
exposure during high risk procedures
what groups of people are at risk for tb
immunocompromised (most at risk)
substance abusers
inadequate healthcare( homeless, minorities)
pre-existing medical conditions
clinical manifestations of tb
Cough lasting 3 weeks or longer
Hemoptysis
Sputum production
Weakness
Fatigue
Anorexia, weight loss
Low-gradefever, chills
Night sweats
Pleuritic chest pain
how is tb diagnosed
mantoux test (PPD)- skin test
ntiFERON-TB Gold (QFT-G)- blood test
sputum smear- Presence of AFB(acid fact bacteria) on a sputum smear may indicate disease but does not confirm the diagnosis
sputum culture- gold standard for diagnosis
chest x ray- lesions will be visible
ct thorax- show extent of damage to lung tissue
CBC- elevated WBC
non pharmacological treatment for tb
rest initially
well balanced high calorie diet
smoking cessation
pharmacological treatment for tb
pulmonary tb- Anti-TB agents (antibiotic) 6 to 12 months
administer humidified oxygen as prescribed
what are the most common tb antibiotics
rifampin(RIF)
isoniazid (INH)
pyrazinamide(PZA)
ethambutol(EMB)
all are bactericidal but work on different parts of bacilli
remember RIPE for the meds names
what is tb
Primarily infection of lung parenchyma
-Leads to impaired gas exchange
-May be transmitted and infect other areas of the body: meninges, kidneys, bones, lymph nodes and GI tract.
- infectious agent is M. tuberculosis
what do we teach patient to report with each tb antibiotic
rifampin(RIF)
isoniazid (INH)
pyrazinamide(PZA)
ethambutol(EMB)
rifampin(RIF)- orange urine/secretions, report jaundice, pain, swelling joints, anorexia, malaise
isoniazid (INH)- report s/s of hepatotoxicity, jaundice, malaise, anorexia, nausea, fatigue
pyrazinamide(PZA)-report jaundice, pain, swelling joints, anorexia, malaise
ethambutol(EMB)- report changes in vision
rifampin & pyrazinamide have the same s/s to report
what is the medication regimen for newly diagnosed active tb
all 4 oral antibiotics for the first 2 months
followed by an additional 4 months of rifampin and isoniazid
what is primary drug resistance in regards to tb
Resistance to one of the first line anti-TB agents in people who have not had previous treatment
what is secondary or acquired drug resistance in regards to tb
Resistance to one or more anti-TB agents in patients undergoing therapy
what is multidrug resistance in regards to tb
Resistance to two agents, isoniazid (INH) and rifampin. The populations at greatest risk for multidrug resistance are those who are HIV positive, institutionalized, or homeless.
what is DOT
direct observation therapy-Evidence is finding that meds can be given 3X /wk with DOT and not have any difference in outcomes
what are some tb medication considerations
Crosses placental barrier
Hepatotoxicity
Audiometric testing
Compliance- difficult
Evaluate at follow up visits
Non compliance
nursing interventions for tb ( acute and continuing)
acute- Promote Airway Clearance/Secretions
Prevent Transmission
-Airborne precautions
-Negative pressure room
-Patient education
Continuing
Promote Treatment Adherence
-Multiple-medication regimen complex,
-Many side effects
Promote Activity and Adequate Nutrition
Prevent Transmission
-Patient & family education
classifications of pneumothorax
1.Spontaneous
-Primary - no identifiable pathology
-Secondary - underlying pulmonary disorder
2.Traumatic
-Blunt or penetrating thoracic trauma
3.Iatrogenic
-Postoperative
-Mechanical ventilation
-Thoracentesis
-Central venous cannulation
4.Tension pneumothorax
-Build up of pressure in thorax
-Compresses heart and great vessels
-Medical Emergency!!!!
symptoms of pneumothorax
Most common acute pleuritic chest pain
Dyspnea from pulmonary compression
Symptoms proportional to size of the pneumothorax
Depend on the degree of pulmonary reserve
Physical signs include: tachypnea, increase resonance, absent breath sounds
treatments for pneumothorax
- conservative watch & evaluate
-15-25% pneumothorax
-Resolves about 1.25% per day
-Supplemental O2 can increase resolution - chest tube
->25% pneumothorax
-Result of mechanical ventilation - thoracic vent
-option for smaller pneumothorax
-able to go home
what are the stages of HIV
Stage 1
-Lack of AIDS defining condition
-CD4 count higher than 500cells/ml or
-Total lymphocytes over 29%
Stage 2
-Lack of AIDS defining condition
-CD4 count between 200 and 499 cells/ml or
-Total lymphocytes between 14-28%
Stage 3: AIDS:
-Presence of AIDS defining condition or
-CD4 lower than 200 cells/ml or
-Total lymphocytes less than 14%
HIV patient education
Reduce the number of sexual partners to one
Always use latex condoms; do not reuse
Use dental dams for oral-genital or anal stimulation
Avoid anal intercourse
Do not ingest urine or semen
Non-penetrative sexual activities
Don’t share: needles, razors, toothbrushes, sex toys
Abstinence
Mutually monogamous relationships
diagnostic tests for HIV
-Point of Care HIV testing (formally Rapid)- usually results in 30-60 minutes; not always accurate
-Further testing to confirm reactive test-used when POC HIV is positive- Enzyme-linked immunosorbent assay (ELISA)
-Western blot antibody testing-More reliable than ELISA,More expensive,Takes longer
-HIV viral load tests-Measures amount of actively replicating HIV
-CBC
-CD4 cell count- monitors progress of disease
HIV pharmacology treatment
highly active antiretroviral therapy (HAART)- combines 3-4 drugs
protease inhibitors
most of these drugs end in -vir
* there is a slide with a handful of meds but i wrote we are not tested on them*
what drugs are given to patients at high risk for being infected with HIV
truvada
descovy
dapivire
what drugs are given to patients at high risk for being infected with HIV
truvada
descovy
dapivire
what kind of precautions is a patient with HIV on
standard
what is acute stress disorder
A reaction to an event causing fear, hopelessness, and horror, starts soon after event lasting about 1 month
what is ptsd
A disturbing patter of behaviors by someone who experienced, witnessed or has been confronted with a traumatic event
what is adjustment disorder
A reaction to a stressful event that causes problems for the individual
what is dissociation
A subconscious defense mechanism that helps protect a person from experiencing the full effects of some horrific or traumatic events
symptoms of acute stress disorder
Loss of event recollection
Absent emotional response
Reliving event via flashbacks
Dissociation and Depersonalization
Increased irritability
Issues with sleep
what is a maturational/developmental crisis
Expected naturally occurring in life
ex. leaving for college
what is a situational crisis
sudden in nature, unanticipated
ex loss of job/spouse
what is a adventitious/ social crisis
natural disasters
risk factors for PTSD
Directly involved in traumatic event
Experience physical injury
Loss of loved one(s)
Lack of social supports
Previous psychiatric hx , family psych hx(esp. anxiety) or personality factors
Early separation from parents
Parental poverty
Childhood behavioral problems
Abuse in child hood
Adverse life events prior to trauma
Limited education
Female
ptsd diagnostic criteria
symptoms grouped in clusters:
A.Exposure to threat
B.Intrusion symptoms
C.Avoidance of stimuli
D.Negative mood and cognitive association with the event
E.Changes in arousal and reactivity
F.Duration of symptoms of B,C,D,E > 1 month
G.Clinical distress is noted
H.Distress not attributed to physiological disorder or substance
what is involved in ptsd assessment
-History of trauma/stress/abuse
-Observation of patient(appearance, behaviors etc)
-mood and affect range
-thought process/content (nightmares, hallucinations)
- sensorium/intellectual processes (memory gaps, poor decisions)
-roles/relationships (issues with)
-physiologic concerns(change in sleep, appetite, drug use)
therapeutic interventions for ptsd
-Focus on improving self-esteem & promote empowerment
-Refer to patient as a “Survivor” not victim
-Keep conversations/interactions structured
-Monitor use of humor and abstract conversations
-Assess for comorbidities
-Help Identify flashback triggers
-Reassure them they are safe during traumatic flashbacks
-Help with problem solving
-Watch for self harm behaviors
-Remind about past achievements
-Help to identify helpful defense mechanisms
ptsd treatments
psychotherapy
meds
self help groups
behavioral therapies
mental health promotion
ptsd medications
antidepressants:
SSRIs- Sertraline (Zoloft)
Paroxetine (Paxil)
Fluoxetine (Prozac)
SNRIs- Venlafaxine (Effexor)
Duloxetine (Cymbalta)
Normal respirations for newborns
30-60
normal respirations for infants
20-40
normal respirations for toddlers
20-30
normal respirations for elderly
12-24
normal respiratory physiology
Hypercarbia drives breathing
-Receptor sites in aortic arch
Requirements for normal O2 delivery
-Inflated, well-oxygenated alveolus
-Alveoli capillary association
-Free-flowing blood and adequate BP
Normal Ventilation/ Normal Perfusion
Intact breathing, oxygenation, perfusion;
If dyspnea present,
non-cardiopulmonary, ex neuromuscular
Inadequate Ventilation/Normal Perfusion
Reduced ventilation (into alveoli) to lungs
*Unoxygenated blood moves through heart into systemic circulation
*Obstruction in distal airways
*Pneumonia
*Atelectasis
*Tumor
*Mucus plug
*COPD
*Asthma
*Alveoli have collapsed or fluid filled
Normal Ventilation/ Inadequate Perfusion
Blood flow not able to reach capillaries to exchange
*Low cardiac output poor blood flow through capillaries
*Pulmonary hypertension
*Pulmonary Emboli
Inadequate Ventilation/ Inadequate Perfusion
Little or no ventilation and perfusion are present
*ARDS
alterations in oxygenation in infants due to their altered physiology
their airway diameter
alterations in oxygenation in elderly due to their altered physiology
DECREASED
-cough reflex
-Cilia
-Elasticity
-Chest wall movement
-Exercise
INCREASED
-Infection rate
-Chronic disease
-Kyphosis
Short Acting Beta Agonists
(for airway constriction)
-Albuterol
-Levalbuterol
Long Acting Beta Agonists
(for airway constriction)
-Serevent (Salmeterol)
-Foradil (Formoterol)
Long Acting Beta Agonists/ Corticosteroid combination
(for airway constriction)
-Symbicort (Formeterol-Budesonide)
-Advair (Salmeterol-Fluticasone)