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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

what else can cause RS

nasal polyps obstr ostia