Pulm l Flashcards
FEV1 / FVC
if high, think
if low, think
high, restrictive (hard to get air in)
low, obstructive (hard to get air out)
% PPV
if higher think
if lower think
normal is obstructive
lower, restrictive
silhouette sign - see with
pneumonia
TB primary infx XRAY
secondary infx XRAY
primary - upper lobes, pleural effusion, hilar nodes
secondary - small calcifications in LU & nodes, or NORMAL
Non-sedating antihist vs sedating
does not cross BBB vs does
non-sedating - allegra (fexofenadine), claritin (loratadine, desloratadine) - H-1 antag
sedating - diphenhydramine (benadryl), chlorpheniramine - H-1 R antag; CI CNS depression, MAO-I
Emergency Bronchodilator
Atropine, then EPI
alpha-1 agonists for nasal congestion 1. oxymetazoline 2. phenylephrine hydrochloride 3. pseudoephedrine CI?
CI - severe HTN, MAO-I
ADR’s: anaphalyxis, asthma, HA,
Glucocorticoids end in ?
ADR’s
fxn for asthma?
-sone, -zone, -onide
ADRS: water retention, CV probs, osteoprosis, peptic ulcers
used in conjunction w bronchodilators for LU
BLOCKS PHOSPHOLIPASE A2 in membrane blocking production of arachondic acid
if atropine is used as an emergency bronchodilator, what Rx use atropine as an anticholinergic bronchodilator?
IPRATROPIUM BROMIDE
TIOTROPIUM BROMIDE
(parasympatholytic)
does not tx acute asthma
types of rescue inhalers
epi, ALBUT
what is mometasone?
inhaled corticosteroid powder for asthma
what is salmeterol?
serevent dikus
B2 agonist
BB warning!!! increase risk of asthma related death
long acting
montelukast pharm
leukotriene R antag
dextromethorphan fxn
robitussin
central acting
antitussive
how long after chronic cough should you xray?
> 8 weeks
viral resp infx
sharp pain worse w deep breath or cough
friction rub “leathery sound
pleurisy
pneumonia vs effusion
hear increased or decreased sounds?
pneumo decreased
effusion increased
bronchiolitis
xray?
eti?
what to know
viral
hyperinflation, peri-bronchial infiltrate
deadly in children and elderly
Pneumonia in alcoholics get which kind?
klebsiella consildated
pneumonia in diabetics get which kind?
e coli consolidated
atypical pneumonia is seen as what on xray? caused by what?
BL DIFFUSE INFILTRATE
mycoplasma, chlamydia, viral
Hospital Acq Pneumonia appears how long after admission?
what kind of bug?
about 3 days
gram neg is about half of em
strep is MC community acq
smelly rusty sputum
LU abscess
tx like lobar pneumonia
Aspergillosis on xray
solitary lesion 3-5mm in diameter
found in dirt