179
Classification851596012894133195249304342390429490553592630700771
of1655596012871118
Asthma18085960128101155194264373434
Exacerbations2277596012886155218280343389460523561599670739794
by3105596012870141
Severity3280596012878140211273320358397467
Patients851882012878140179219281351389443
with13308820128101139179249
any1614882012862131202
level1849882012839101172234273
of2157882012870118
asthma2310882012862115154224334394
severity2739882012855117187250297335374444
can3216882012863126196
experience3448882012862131201263310349411481544605
mild,40888820128109146185256291
moderate,44148820128109177248310357419458521556
or5005882012870117
severe5157882012854116186248295357
exacerbations.8511067012862133195258319366436498537575646716770805
Some16911067012878148258318
patients20441067012871133173211274343381436
with251610670128101139178249
mild280010670128109146185256
asthma30911067012863116154224334393
may352010670128110171242
experience37951067012863133203266313352414484547608
severe44381067012853116186248295357
and48301067012863132202
lifethreatening50681067012837771231858511253012839110157218280319381451490559630
exacerbations15171253012862131194256317364434496535573644714768
following23201253012848118157196266368406476545
long29011253012839108179248
asymptomatic31851253012862115186295363402473582642681721783
periods40041253012870132179217288357411
with445112530128101139179248
normal47351253012870140187296356395
lung51651253012840110180250
function.8511438012847117188249289327397467503
Severity8511728012878140211273320358396467
Level13511728012886148218281320
Criteria22521728012894140179219281327366428
Mild85118940128125164203273
or11581894012870117
Moderate131018940128125195265328374435475536
Asthma85120550128101155195265374434
Exacerbation13202055012886155218280343390460523561600670740
•22521894012849
Worsening233618940128133201248303366436474545614
of29841894012871118
symptoms31371894012855125234302341412521573
•22522055012849
PEF23362055012878164241
~26122055012876
50-75%27232055012870140188257328445
of32012055012870117
personal33532055012871132179234303374437474
best38612055012871133188226
or41232055012870116
predicted42742055012870117179249287350388451521
•22522215012849
Increase23362215012847117180227289350405468
in28392215012837108
the29832215012837107169
frequency3187221501284794156225295358427489560
of37802215012870117
reliever39322215012847109148188250320382428
medication439522150128110169240279342404442482551621
use50512215012871124187
by52732215012870141
>50%22522377012879149219336
or26232377012870117
the27752377012839109171
need29802377012870133195264
for32802377012847117163
additional34782377012862133202241280319389459521560
nebulized40722377012870133202273311350413475544
therapy46522377012839108171217280349420
•22522538012849
Nighttime233625380128102140210280320358397507567
awakenings29382538012862164225296359429467537607662
due36342538012870140202
to38712538012839109
asthma40152538012862117155225335395
symptoms44452538012854126235305344414523576
requiring22522699012847109179249289336374443514
the28012699012838108170
use30062699012871124187
of32282699012870116
reliever33792699012847108147187248319381427
medication384126990128109169239279342404443481552622
Severe8512865012878140211273320381
Exacerbation12672865012886156218281343389459522560598669739
•22522865012849
PEF23362865012878164241
~26122865012876
33-50%27232865012870140188257328445
of32012865012870117
personal33532865012871132179234303374437474
best38612865012871133188226
•22523026012849
Respiratory23363026012894156211280320367428467537584654
rate30233026012847110149211
>32693026012880
2533833026012870140
per35583026012871133179
minute377230260128109146216287326389
•22523186012849
Heart233631860128102163225272311
rate26833186012847109147209
>29273186012880
11030413186012870140210
per32863186012870133179
minute349931860128110146217287326389
•22523348012849
Inability23363348012847117180249288327366405475
to28453348012839109
complete29903348012862132241310349412450511
a35373348012862
sentence36343348012854117186225288357420482
in41523348012837107
one42943348012870140203
breath45323348012870116177239278348
Life-Threatening8513514012886124171234281367436483545607646708778816887957
Asthma85136750128101155195265374434
•22523514012849
PEF23363514012878164241
<26123514012880
33%27263514012870141258
of30193514012870116
personal31703514012870132179233303372435474
best36783514012870133187226
•22523677012849
SpO23363677012878149250
₂25853665014157
<26783677012879
92%27913677012870141258
or30833677012871117
PaO2323536770128781402413475373308245
<35553677012879
6036693677012870140
mm384436770128110217
Hg409536770128101171
•22523842012849
Normocapnia233638420128102171218327395458520590661700762
(PaCO31343842012846124187280380
₂35143830014157
35-4536073842012870141187257327
mm396938420128110217
Hg)422038420128101171218
•22524004012849
"Silent"23364004012858136175213276345384442
lung28134004012838108178248
on30974004012870139
auscultation;32724004012862131186248318357396459496536606675715
Cyanosis;40224004012894164224294364419458513551
Weak460740040128133193256326
respiratory22524164012847109164233273320381420490537607
effort28934164012862109155226273312
•22524325012849
Bradycardia;23364325012894141203273344404467513583622685724
Hypotension;309543250128102171239310349410481537575645715754
Fatigue;38844325012878141178218287357420459
Confusion;43784325012894163232279348403442512582621
Coma50344325012894164273333
Near-Fatal85144910128101163225272319397460499560599
Asthma148644910128101155194263373433
Hypercapnia225244910128101172240303350412475544614653716
(PaCO2300344910128461251872813823384454608245
>34634491012879
4535774491012870141
mm375444910128109217
Hg)400444910128101171218
and/or42574491012863133203242311359
the46514491012839108171
need48574491012870132194264
for51574491012847115163
mechanical225246520128109170233303366436474537600637
ventilation29254652012870132202240280318381419458528598