Flashcards in Self Study 3 Deck (35):
1
group of microbes responsible for common cold
rhinovirus
parainfluenza
respiratory syncytial virus
coronavirus
adenovirus
2
MoT common cold
person to person droplet
3
what population is a major resevoir for common cold
peds
4
what are the most common portals of entry
nasal mucosa
conjuctival surface of eye
5
when is the CC most contagious
first 3 days after onset of symptoms
6
incubation period of the CC
5 days
7
common mnfts of the CC
headache
malaise
dryness, stuffiness of nose, nasal sec
membranes in URT become swollen with sec
sore throat
8
extreme mnfts of CC
chills, fever, exhaustion
9
how do yo utreat CC
rest
antipyretics
10
what is important to remember about the CC and otc drugs
dont shorten cold duration, only tx symptoms
11
use of antihistamines in CC
for runny nose
12
what does inc use of antihistamines in the CC result in
drying up sec,
worsening cough
causing CNS depression
13
how do decongestants work
constrict blood vessels in swollen nasal mucosa, dec swelling and fluid
14
what do decongestants do in high doses
inc BP
15
use of echinacea in CC
if taken after onset of symptoms, it may shorten them
16
zinc and vit C for tx of CC
some studies say it works while others say it doesnt
17
how is coughing different in cold vs the flu
prod cough in cold
18
how is stuffy nose different in cold vs flu
no stuffy nose in flu
19
how do cold symptoms progress vs flu symptoms
cold: over a few days
flu: rapid in 3-6 hours
20
is headache common in cold
no
21
which sinuses are included in rhinosinusitis
frontal, ethomoid, maxillary, sphenoidal
22
what 2 microbes most commonly cause infc in rhinosinusitis
haemophilus influenzae
stretococcus pnuemoniae
23
mnfts of rihinosinusitis
facial pain
headache
purulent nasal discharge
dec sense of smell
fever
24
dx of rhinosinusitis
hx, px, nose and throat inspection
25
how is sinusitis headache exxagerated
with bending over, sneezing, coughing
26
how is RS txed
on cause, may include abx, corticosteroids, mucolytics, symptom releif. inc drainage by dec congestion
27
when are abx used in RS
if the infection doesnt clear up within 7 days, and presnt inc mnfts
28
why is it important to be wary of decongestant use
may cause rebound congestion if used >3-5 days
29
when are intracranial comps most commonly seen in RS
with infc of frontal and ethmoid sinuses dt proximity to the dura + drainage of veins from frontal sinus to dura sinus
30
orbital complications in RS
edema of eyelids
orbital cellulitis
subperosteal abscess formation
31
what intercranial complicatiosn req immediate attention
swelling over involved sinus
abn extraocular movements
protrusion of eyeball
periorbital edema
changes in mental status
32
what does dec o2 in the sinuses faciliate
bacterial growth
33
what are the most common causes of RS
conditions that obstr the osita that drain the sinuses
34
when does Rs usually dev
when a URT or allergic rhinitis obstrs ostia + compromises mucociliary blanket
35