LeeAnna Shepherd
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Lung Testing (Repeat) Quiz sobre Other Lung Tests, criado por LeeAnna Shepherd em 13-08-2016.

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Other Lung Tests

Questão 1 de 8

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Exercise Challenge Testing:
Assess hyperreactivity when and are lost from upper airways during exercise.
or is used to get HR -% of max for - minutes.
Monitor: ECG, BP and SpO2
Post exercise: Spiro is done then every minutes until reaches it's then returns to normal.
% drop in FEV1 is a test
If FEV1 drops by 10-15% administer a

Explicação

Questão 2 de 8

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Eucapnic Voluntary Hyperventilation:
Assess airway hyperreactivity by havin pt breathe at high rate of .
Removes and from upper airway
Pt breathes gas mix of % CO2, % O2, with balance .
Spirometry is performed after and every 5 minutes for minutes.
If FEV1 drops by %, the test is positive. If FEV1 does not drop after minutes, test is
Bronchodilator to reverse any bromchospasm

Explicação

Questão 3 de 8

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Mannitol Tolerance Test
Withhold SABA hrs, all other meds hrs. No
Mannitol stimulates release of that act on bronchial smooth .
Sensitive for asthma and used to disease activity and assess therapy.
powder in special inhaler. Color coded for , , , , mg doses
Full insp with 5 second hold is done with flow 60 L/min.
After seconds, do spirometry, repeat at higher doses until % drop in Fev1
% is reported
Avoid smoking for hours, avoid on day of test

Explicação

Questão 4 de 8

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MIP
Largest amount of inspiratory pressure that can be generated against an occluded airway
Manometer with flanged mouthpiece and 3 way stopcock.
Typical Value = cmH20
Pt expires to RV, occlude mouthpiece, pt inhales maximally for - seconds.
Small is built in to offset cheek movement
Assess muscles strength: Will be decreased in disease, disease involving diaphragm, chest wall or spinal deformities

Explicação

Questão 5 de 8

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MEP
Maximum positive pressure that can be generated during forced expiration against occluded airway.
Same equipment as MEP
Typically - cmH2O
Pt inhales to , airway occluded, then pt exhales forcefully

Will be decreased with disease, especially generalized weakness. Decreased with emphysema, chronic bronchitis, CF and inability to cough.

Explicação

Questão 6 de 8

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Methacholine Challenge testing
PC20
concentration used to determine if pt had methacholine challenge. The concentraion of methacholine that made pt drop % in FEV1

Prohibited Activities
Avoid any activity that may induce . Irritants, exercise, work

Explicação

Questão 7 de 8

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Methacholine Challenge
Withholding Meds
SABA withhold hrs
LABA withhold hrs
Anticholinergics withhold hrs
Combo Drugs withhold hrs
Theophyllines withhold - hrs
Cromolyn Sodium / Nedecormil withhold hrs
Antihistamines withhold- hrs
Steroids may need to be withheld
Beta Blockers may response
Caffeine withhold hrs

Explicação

Questão 8 de 8

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Methacholine Challenge Testing
Pt inhales to w/ 1-2 second pause for breaths.
Wait min then do FVC
Repeat at higher until % reduction in FEV1 occurs
Baseline determined from spiro
First dose is saline and is a
Bronchodilator is given to reverse

Explicação