TYK42 - Revision history

WikiSysop at 22:28, 23 January 2022

2022-01-23T22:28:25Z

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	In considering a patient with Duchenne's muscular dystrophy (DMD), which of the following are likely to be DECREASED except?		In considering a patient with Duchenne's muscular dystrophy (DMD), which of the following are likely to be DECREASED except?

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	D. Residual volume to Total Lung Capacity ratio (RV/TLC)		D. Residual volume to Total Lung Capacity ratio (RV/TLC)
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	==Answer==		==Answer==
	The answer is D. The important point is that the VC is decreased. A RESTRICTIVE lung defect. Pulmonary function testing (PFTs) usually shows decreased maximum inspiratory and expiratory pressures, decreased peak flows, and decreased VC (restrictive defect) caused by muscle weakness. Although they may have a normal pulse oximetry, their pulmonary function is unlikely to be normal. They also may have an impaired cough and may have difficulty mobilizing secretions.		The answer is D. The important point is that the VC is decreased. A RESTRICTIVE lung defect. Pulmonary function testing (PFTs) usually shows decreased maximum inspiratory and expiratory pressures, decreased peak flows, and decreased VC (restrictive defect) caused by muscle weakness. Although they may have a normal pulse oximetry, their pulmonary function is unlikely to be normal. They also may have an impaired cough and may have difficulty mobilizing secretions.


	==Notes==		==Notes==
	<references />		<references />


	==Keywords==		==Keywords==
	:


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WikiSysop: 1 revision imported

2021-03-20T16:48:29Z

1 revision imported

← Older revision	Revision as of 16:48, 20 March 2021
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https://pedsanesthesia.net/wikiOLD032021>JustinHamrick at 12:16, 28 March 2015

2015-03-28T12:16:22Z

New page

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In considering a patient with Duchenne's muscular dystrophy (DMD), which of the following are likely to be DECREASED except?

A. Vital capacity

B. Maximum inspiratory force

C. Maximum expiratory force

D. Residual volume to Total Lung Capacity ratio (RV/TLC)

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==Answer==
The answer is D. The important point is that the VC is decreased. A RESTRICTIVE lung defect. Pulmonary function testing (PFTs) usually shows decreased maximum inspiratory and expiratory pressures, decreased peak flows, and decreased VC (restrictive defect) caused by muscle weakness. Although they may have a normal pulse oximetry, their pulmonary function is unlikely to be normal. They also may have an impaired cough and may have difficulty mobilizing secretions.

==Notes==
<references />

==Keywords==
:

</div>

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