Ch 41: Asthma Flashcards
Albuterol brand name
ProAir HFA, ProAir RespiClick, Proventil HFA, Ventolin HFA
Levalbuterol brand name
Xopenex, Xopenex HFA
Epinephrine (OTC) brand name
Primatene Mist
Salmeterol brand name
Severent Diskus
Beclomethasone brand name
QVAR RediHaler
Budesonide brand name
Pulmicort Flexhaler, Pulmicort Respules
Budesonide + Formoterol brand name
Symbicort
Fluticasone brand name
Flovent HFA, Flovent Diskus, Arnuity Ellipta
Fluticasone + salmeterol brand name
Advair Diskus, Advair HFA
Fluticasone + vilanterol brand name
Breo Ellipta
Mometasone + Formoterol brand name
Dulera
An asthma diagnosis is confirmed with
spirometry
Spirometry and pulmonary function tests test for reversibility (i.e, if the FEV1 increases by more than __% with the use of a bronchodilator)
12%
FEV1 measures
how much air can be forcefully exhaled in one second
FVC test
after taking a deep breath, the max volume of air that is exhaled (how much air is exhaled)
FEV1/FVC
the percentage of total air capacity (“vital capacity”) that can be forcefully exhaled in one second (the speed of the exhale)
Common asthma triggers
genetics, pollution, cigarettes, cold air/changes in weather, pets, dust/pollen/cockroaches, perfume & cosmetics, drugs (ASA, NSAIDs, non-selective BB - propranolol, nadolol, timolol, pindolol), infections (colds and viruses), allergic rhinitis, GERD, obesity, OSA, anxiety, stress, depression
Intermittent asthma is defined as daytime symptoms < / = __ days/week & SABA rescue inhaler use < / = __ days/week
2
2
Mild asthma is defined as daytime symptoms > __ days per week, but not daily & SABA rescue inhaler use > __ days/week, but not daily or > __ x/day
2
2
1
Moderate asthma is defined as daytime symptoms how many times per week & SABA rescue inhaler use ___
daily
daily
Severe asthma is defined as daytime symptoms ___ & SABA rescue inhaler use ___
throughout the day
several times per day
Which vaccines should people with asthma receive
Annual influenza vaccine Pneumovax 23 (age 2-64)
Which controller is first-line for all patients
ICS (need anti-inflammation in asthma)
Which drug classes are controllers
ICS LABA LTRAs LAMAs Injectable MABs
Which drug classes are relievers
ICS + formoterol
SABAs
LABAs are used in combination with:
ICS
NEVER use LABAs alone
Which MAB is used for severe allergic asthma
Omalizumab
Albuterol MDI/DPI dose
1-2 inhalations Q4-6H PRN
SABA SE
Nervousness, tremor, tachycardia, palpitations, cough, hyperglycemia, ↓ K
Levalbuterol contains __ isomer of albuterol
R
Most albuterol inhalers contain __ inhalations/canister, with the exception of ___ which also has __ inhalations/canister
200 inhalations/canister
Ventolin: 200 inhalations/canister AND 60 inhalations/canister
SABAs or low-dose ICS + formoterol should be used in exercise-induced bronchospasm ___ min prior to exercise.
The effects of the SABA will last __-__ hours
5
2-3 hours
Which drugs are SABAs
Albuterol
Levalbuterol
Racepinepherine
Epinephrine
Which drug is a LABA
Salmeterol
Salmeterol BW
↑ risk of asthma related deaths when used as monotherapy
ONLY use with ICS
ICS SE
Dysphonia (difficulty speaking), oral thrush, cough
Which ICS is the only one available as a nebulized solution
budesonide
Pulmicort Respules can only be used with
a jet nebulizer
Which MDIs should not be shaken
Alvesco (ciclesonide)
Qvar RediHaler
Respimat products
Which drugs are ICS
Beclomethasone (QVAR RediHaler)
Budesonide (Pulmicort Flexhaler)
Fluticasone (Flovent HFA, Flovent Diskus, Arnuity Ellipta)
Which drug is a LAMA for asthma
Tiotropium (Spirivia Respimat)
**for COPD - Respimat or HandiHaler
Brand name identifiers for MDIs
HFA, RespiMat
Brand name identifiers for DPIs
Diskus, Ellipta, Pressair, Handihaler, Neohaler, Respiclick, Flexhaler
Which DPI needs to be primed before first use
Flexhaler
Montelukast MOA
Inhibits leukotriene D4 (LTD4)
Zileuton MOA
Inhibits leukotriene formation
Montelukast formulations
tablet, chewable tab, packet
Montelukast dosing
10 mg daily in the evening
Age 6-14 years: 5 mg daily in the evening
Age 1-5 years: 4 mg daily in the evening
Montelukast BW
neuropsychiatric events
Which formulation of montelukast can be administered directly into the mouth, dissolved in breast milk or formula or mixed with applesauce, carrots, rice or ice cream; should be used within __ min
granules
15
How must zafirlukast be administered
in original container
Theophylline MOA
Blocks phosphodiasterase, causing an increase in cAMP and release of epi from adrenal medulla cells, resulting in bronchodilation
Active metabolite of theophylline
caffeine
Theophylline therapeutic range
5-15 mcg/mL
Theophylline is dosed based on
IBW (or TBW if < IBW)
Theophylline toxicity can present as
persistent vomiting, arrhythmias, seizures
How to convert aminophylline to theophylline
ATM x 0.8
A small increase in theophylline dose can result in
large increase in Theophylline concentration
Which drugs can increase theophylline levels
cipro, zileuton, zafirlukast
Which drugs can decrease theophylline levels
carbamazepine, fosphenytoin, phenobarbital, phenytoin, primidone, rifampin, ritonavir
Which conditions can increase theophylline levels
CHF, liver disease
Which conditions/food can decrease theophylline levels
high-protein diet
Omalizumab MOA
Inhibits IgE binding to the IgE receptor on mast cells and basophils
Omalizumab indication
moderate-severe persistent, allergic asthma with a positive skin test to a perennial aeroallergen
Omalizumab brand name
Xolair
Omalizumab formulation & administration
SC injection; must be administered in a healthcare setting under medical supervision d/t BW of anaphylaxis
Which drugs are IL-5 receptor antagonists
Mepolizumab (SC), reslizumab (IV), and benralizumab (SC)
Which drug is an IL-4 & IL-3 receptor antagonists
Dupilumab (SC)
Which ICS is is preferred in asthma control in pregnant patients
Budesonide
For a patient with good asthma control, how long should their albuterol inhaler last
about 12 months
If a patient is prescribed > 1 inhalation of medication at a time, how long should the patient wait between each inhalation
60 seconds
If using more than 1 inhaler, what is the correct sequence of inhalers
SABA → Other Bronchodilators (LABA or LAMA) → ICS
Spacers should NEVER be used with
a DPI
How often must a spacer be cleaned
at least once a week
What are common spacer names
AeroChamber, OptiHaler, OptiChamber
Spacers reduce the risk of
thrush from steroid inhalers
The patient’s best peak expiratory flow rate (PEFR) is called
personal best (PB)
The patient’s personal best from a PEFR takes into account their:
height, gender and age
Peak flow meter technique
- Use every morning upon awakening and before the use of any asthma meds
- Move indicator to bottom. Stand up straight and exhale
- Inhale as deeply as possible. Place lips firmly around the mouthpiece
- Blow out as hard & as fast as possible. Write down the PEFR
- Repeat steps 2 more times, and record the highest value
Green zone of an asthma action plan (> 80-100% of PB) indicates
all clear - good control
Yellow zone of an asthma action plan (> 50-80% of PB) indicates
Caution - worsening lung fxn
Red zone of an asthma action plan (< 50% of PB) indicates
Medical alert - possibly needs to go to the emergency department
When using an MDI, the inhaler should be shaken for how long immediately before each spray
5 seconds
When using an MDI, how long should a patient hold their breath for after pressing down on the canister to deliver a dose
up to 10 seconds
Which inhalers should not be put into water
Symbicort, Dulera
What is an important counseling point for the ProAir RespiClick and AirDuo RespiClick
Opening and closing the cap without inhaling a dose will waste medication and can damage your inhaler
The ampules in Budesonide (Pulmicort Respules) should be used within __ weeks of opening the aluminum package
2