Pulmonary Flashcards
T/F: Longer rhinosinusitis lasts w/o pt getting ill- more likely its a virus
True. Can go 2wks
Purulent sinus drainage is definitive of a ___
URI
URI or Allergic Rhinitis Tx: Decongestants
URI
URI or Allergic Rhinitis Tx: Pain & Fever reducers
URI
URI or Allergic Rhinitis Tx: Cough suppressants
URI
URI or Allergic Rhinitis Tx: Cough Expectorants
URI
URI or Allergic Rhinitis Tx: Vitamins & Supplements
URI
URI or Allergic Rhinitis Tx: Antihistamines
Allergic Rhinitis
URI or Allergic Rhinitis Tx: Intranasal Corticosteroids
Allergic Rhinitis
URI MOA: Activates alpha & beta adrenergic receptors
Decongestants
URI:
MOA: Directly stim α-adrenergic receptor of resp mucosa→ vasoconstriction →
↓ mucosal swelling→ ↑ ventilation
Decongestant
URI:
MOA: Directly stim β-adrenergic receptors→ bronchial relaxation
Decongestant
Decongestants S/E (which 4 systems?)(monitor which 2 pt groups)
*Vasoconstriction & tachycardia
→ angina, HTN, & worsening CV dz
* ↑ glycogenolysis & gluconeogenesis (monitor your diabetics)
*CNS stim (nervous, insomnia, dizzy, drowsy)
* urinary retention (monitor BPH pts)
Decongestants(2) good & bad?duration?
*Pseudoephedrine (Sudafed)
Duration: 4-6hrs
100% absorbed
*Phenylephrine (Sudafed PE) GARBAGE
Duration: 2-4hrs
38% absorbed
Decongestants:
avoid in (3)
HTN pts,
<6yo,
1st trimester preg
___ is only Decongestant avail for HTN pts
*Coricidin
URI:
MOA: dissolve thick mucus, ↑ airway clearing, & promote cough
Expectorants (mucolytic)
Expectorants S/E (2)
N/V, rash
t/f: Robitussion (expectorant) safe in preg?
True
What two rx make up robitussin?
dextromethorphan & guaifenesin
t/f: Guaifenesin may exacerbate nephrolithiasis
Cough cough kidney stone
Expectorants (mucolytic) avoid:
<6yo
MOA: Acts centrally on medullary cough center
Cough suppressants/antitussives
URI MOA: Acts locally at site of irritaiton
Cough suppressant/antitussives
centrally acting antitussives
Dextromethorphan, opiates, Benzonate (tessalon)
“Central BOD”
locally acting antitussives
Lozenges, viscous preparations, menthol and camphor
Antitussive w/ low abuse potential
Dextromethorphan
Dextromethorphan S/E (4) ?
serotonin syndrome (caution w/SSRI), nausea, dizziness, drowsiness
Benzonate (Tessalon)
Opiate (Codeine)
Dextromethorphan
Ok in pregnancy?
Dextromethorphan
Caution w/others
T/F: Dextromethorphan is contraindicated with SSRI & MAOI?
False, caution w/SSRI (ZoProPro’s PaCe)
contraindicated with MAOI (MarNar)
Which vit/supplement does reveal benefit in URI?
Echinacea
T/F: zinc does have true benefit in URI
False. Contradictory.
WILL cause nausea & mouth irritation
Abx for Mild to mod bacterial sinusitis
DOC:Augmentin 875mg PO BID x 7d
2nd line: Doxycycline 100mg BID x7d
Abx for severe bacterial sinusitis
Severe = IV. “CAL” the ER
Ceftriaxone (Rocephin) 1g IV BID
Ampicillin/Sulbactam (Unasyn) 3g IV QID
Levofloxacin 500mg IV QD
ABX for Risk of resistance bacterial sinusitis
Resistant “AF” think high dose long duration!
*Augmentin 2g BID x 10-14d
*FQ (Respiratory):
Moxifloxacin 400mg QD x10d
Levofloxacin 500mg QD x 5d
Which 3 drugs are NOT recommended for empiric sinusitis tx b/c of high resistance to Strep pna?
“Make Better Choices”
Macrolides
Bactrim
Cephalosporins
T/F: SABA monotherapy is only ok with intermittent (Exercise) Asthma?
True
4 Inhalation Devices for Asthma
*Metered-Dose Inhalers (MDI)
*Dry Powder Inhalers (DPI)
*Nebulizers
*HFA - Diskus
7 Drug Classifications for Asthma
*Inhaled β-2 Agonist (Short & Long Acting)
*Inhaled Corticosteroids
*Leukotriene Modifiers
*Mast Cell Stabilizers
*Anticholinergics
*Anti-IgE Antibody
*Theophylline
Asthma:
MOA: B2 agonist
SABA
LABA
Asthma:
MOA: Inhibits inflammatory cytokines via the glucocorticoid receptor
ICS
Asthma:
MOA: Blocks action of leukotrienes (constrict & mucous production)
Leukotriene modifiers
Asthma:
MOA: Alters function of delayed Cl- channels and inhibits cell activation
Mast Cell Stabilizers
Asthma
MOA: inhibits
*cough
*early response to antigens (mast cells)
* late response to antigens (eosinophils)
Mast Cell Stabilizers
Asthma Rx:
Onset: 5 min; Peak: 30 – 60 min;
Duration: 4 – 6 hrs
SABA
Asthma Rx:
Onset: approx. 30 min; Duration: > 12 hrs
LABA
Asthma:
SABA S/E (7):
Tachycardia, QTc prolongation, tremor, anxiety, hyperglycemia, hypokalemia & hypomagnesemia (esp if used in high doses)
Asthma
ICS S/E (4):
Oral candidiasis (thrush), dysphonia, reflex cough (this is ok) & bronchospasm
Asthma:
LABA S/E (4):
“Labas exacerbate hypo breathing”
Paradoxical bronchospasm, asthma exacerbation, laryngospasm, hypokalemia
Name 3 electrolyte abnormalities from inhaled SABA use?
hyperglycemia
hypokalemia
hypomagnesemia
5 SABA Rx
Albuterol, Proventil, Proair, Ventolin, Xopenex
What is the most effective long-term tx for sx control in asthma?
ICS
ICS Rx (3)
Qvar, Pulmicort, Flovent
Inhaled LABA rx (2) which is better?
Formoterol> Salmeterol (serevent)
T/F: LABAs can be used as monotherapy in asthma?
HELL NO
↑ risk asthma-rel hospitalization, intubation & death!!!
the greatest risk was in children 4-11yo
Asthma
LABA + ICS S/E (4):
Tremors, m. cramps, tachycardia, cardiac effects
LABA + ICS Rx (3) which is best?
**FORMOTEROL + BUDESONIDE (Symbicort)
Salmeterol/fluticasone (Advair)
Formoterol/mometasone (Dulera)
T/F: Leukotriene modifiers can be used as monotherapy for asthma?
FALSE. do not use as monotherapy
Asthma:
Leukotriene modifiers S/E (5):
Abd pain, nausea, jaundice, itching, lethargy
Asthma:
Mast cell stabilizers S/E (5):
Throat irritation, cough, dry mouth, wheezing, chest tightness
Asthma:
Leuktriene modifiers Rx
Montleukast (singular)
Asthma
Mast cell stabilizer Rx
Cromolyn
Failure of asthma Rx Tx may be attributed to (5):
- Lack of adherence to Rx
- airborne pollutants, allergens or irritants. (tobacco smoke)
- Smoking & exposure to 2nd-hand smoke → airway hyperresponsiveness & ↓ ICS effectiveness.
- ASA or other NSAIDs → asthma sx
- Oral nonselective βB,
ie. propranolol, timolol
can precipitate bronchospasm in pts w/asthma & ↓ broncho-dilating effect of β- 2 agonists
4 Rx class alternatives to propranolol for migraine Prophylaxis
Non-dihydropyridine CCB (Verapamil)
B1 selective BB (Metoprolol, Atenolol)
Anticonvulsant (Valporic acid, Topamate)
TCA (Amitryptiline, Nortriptiline)
T/F: Valporic acid and Topirimate can decrease efficacy of OTC’s?
TRUE
Use condoms yall
T/F: ICS causes thrush and can be reduced by using a spacer & rinsing mouth after use
yup!
What is the tx for oral candidiasis?
Nystatin 5mL antifungal wash
QID x7-14d
T/F: You should ALWAYS provide a Rx for albuterol
true
follow up for the asthma pt after increasing flovent (fluticasone) or moving to symbicort?
2-4wks
T/F; COPD is reversible
False, COPD is not fully reversible
T/F: COPD is primarily caused by cigarette smoking?
True
T/F: COPD air flow obstruction is usually progressive
True
COPD
Airflow Obstruction parameters:
* FEV1 <__ predicted
* FEV1/FVC <__
- FEV1 <80% predicted
- FEV1/FVC <0.7
4 goals of COPD therapy
- ↓ symptoms
- Control dyspnea
- Improve exercise tolerance & QOL
*↓ complications (ie. acute exacerbations)
GOLD 1 (mild)
FEV1 >___ predicted
Category?
80%
A or B
GOLD 2 (moderate)
__> FEV1 >__
Category?
b/w 50-80% predicted
A or B
GOLD 3 (severe)
__> FEV>__
Category?
30-50%
C or D
GOLD 4 (Very Severe)
FEV1<___
Category?
30%
C or D
Category A risk & Sx
Rx?
Low risk, less Sx
SABA- Albuterol
Category B risk & Sx
Rx?
Low risk, more sx
SABA-Albuterol
LABA or LAMA
Category C risk & Sx
Rx?
high risk,
Less sx
SABA
ICS + LABA or LAMA
Category D risk & Sx
Rx?
High risk,
More sx
ICS + LABA and LAMA
COPD: Who gets a SABA?
EVERYONE! like oprah!
Does Combo β2-agonist=SABA (albuterol) w/ muscarinic antagonist=SAMA (ipratropium) cause a (+) effect for COPD
yes!
SABA + SAMA = combivent
→ more effective than either drug alone &
is avail in a single inhaler.
what is the name of the LAMA we know & love that is used for pts w/evidence of significant airflow obstruction & chronic sx?
Tiotropium (Spiriva)
Are ICS 1st line in COPD?
NO! LABA/LAMA are!
When do we use ICS in COPD?
What are 2 examples?
In pts w/ severe COPD (FEV <50%)
who experience freq exacerbations while receiving 1+ long-acting bronchodilators (LABA)
The addition of an ICS is recommended to ↓ the # of exacerbations
Formoterol/Budesonide (Symibcort) “budesonide better”
Salmeterol/Fluticasone (Advair)
What are 4 risks of using long term ORAL corticosteroids for COPD?
Wt gain
Immunosuppression
myopathy
glucose intolerance
What does long term supplemental O2 therapy do for COPD?
↑ survival and QOL
when to consider O2 therapy in COPD (4)?
resting O2 <88%RA
evidence of:
*pulm HTN
*CHF
*polycythemia
Benefits of pulm rehab for COPD are great! It can (4):
↓ dyspnea
improve functional capacity
improve QOL
↓ admissions
When to f/u on a pt that is gold 2 (Group B)?
4wks
DO you know the tic tac toe method for ABG?
yes ma’am
What 2 bugs make up 60% of all CAP?
Strep pna & mycoplasma
ABX for Strep pna- CAP
“F**k THE Community Mucous”
FQ- respiratory (Levo & Moxi)
TCN **DOXY!!!!!
3rd gen Cephs - “TRI TAXING me, you wont get a DIME”
Ceftriaxone, Ceftazidime, Cefdinir
Macrolides- Azithro & clarithro
Abx for Mycoplasma CAP
“LETs go for a walk”
Levofloxacin
Erythromycin
TCN
ABX for H. flu CAP
F- respiratory
M- Azithro & Clarithro
What does IV vs PO depend on for CAP Tx
(main reason)?
**IV vs PO depend on bioavailability of Rx drug
ie FQ good bioavailability → no diff btw PO & IV
What 2 parameters must be met for switching from IV to PO abx?
Pt is stable wit NL VS
For 24hrs
Define Stable (6) when switching from IV to PO.
Afebrile
RR<24
HR <100
O2 >90%RA
SBP >90
AND no RESP DISTRESS
**Approx __-__% of pts admitted for IV ABX can switch to PO ABX w/in __-__d
40-50%
2-3d
t/f: if a pt is hospitalized for PNA, they need IV abx’s
So false
When to give IV abx for PNA (3)?
Hypoxia/resp distress
Monitoring for improvement
Mod-high risk decompensation
CURB-65
Grading and results?
Cofusion
Urea (BUN >19 or 7mmol/L)
RR (>30)
BP (<90/60)
Age >65
0pts-outpt
2pts-admit
3pts-ICU
When to F/u w/PCP for pna?
5-7d post d/c
Would you repeat a CXR for a PNA pt post d/c ?
duh! check for resolution
Can PNA pts alternate APAP 1g w/ IBU 600mg Q4hrs for fever/body aches?
yes
When to go to ER after d/c for pna?
CP
trouble breathing
Fever >102
leg swelling/calf pain