Pulmonary conditions Flashcards

1
Q

Ventilation

A

movement of air through the conducting airways

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2
Q

Respiration: Internal Respiration

A

exchange of oxygen and carbon dioxide between blood and body tissues

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3
Q

Respiration: external respiration

A

exchange of oxygen and carbon dioxide between the lungs and the environment

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4
Q

Total lung capacity

A

the maximum amount of air that can be contained by the lungs

decreased with restrictive lung disease

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5
Q

Tidal volume

A

the amount of air inspired or expired during normal resting ventilation

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6
Q

Inspiratory Reserve Volume (IRV)

A

The maximal volume of air that can be inspired after normal tidal volume inspiration

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7
Q

Expiratory Reserve Volume (ERV)

A

the maximal volume of air that can be exhaled after a normal expiration

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8
Q

Residual Volume (RV)

A

the volume of air remaining within the lungs when ERV has been exhaled

increase with obstructive lung disease due to air trapping

decrease with restrictive lung disease

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9
Q

Inspiratory capacity (IC)

A

the volume of air that can be inspired after a tidal exhalation

IC= IRV +TV

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10
Q

Functional Residual Capacity (FRC)

A

the volume of air that remains after normal exhalation

increase with OLD
decrease with RLD

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11
Q

Vital Capacity (VC)

A

Possible volume of air within lungs that is under voluntary control

VC= IRV +TV+ERV

Decrease with RLD

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12
Q

Hypoxemia

A

decreased oxygen carried by the arterial blood to the tissues

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13
Q

HYpercapnea

A

increased carbon dioxide within the arterial blood

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14
Q

Cor pulmonale

A

pulmonary hypertension

right sided heart failure (right ventricle of heart)

causes right ventricle to enlarge and pump blood less effectively that it should

ventricle is pushed to limit then fails

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15
Q

COPD

A

Chronic bronchitis
Emphysema

Decreased FEV

Increased RV and FRV due to air trapping

progression of hypoxemia, hypercapnea and cor pulmonale

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16
Q

Cystic Fibrosis

A

progressive genetic disease causing persistent lung infections and limits ability to breathe over time.

thick buildup of mucus in lungs, pancreas and other organs.

Mucus clogs airways and traps bacteria leading to infections.

Decreased FEV
Increased RV
Increased FRC

muscular atrophy

RESPIRATORY FAILURE IS THE MOST FREQUENT CAUSE OF DEATH

17
Q

Pneumonia

A

pulmonary disease

inflammation of alveoli and small bronchi

bacteria causes 75% of infections

18
Q

Asthma

A

acute
reversible
inflammatory
obstructive pulmonary

Decreased FEV
RV and FRC are increased due to air trapping

19
Q

Restrictive Lung Disease (Interstitial Lung Disease)

A

Idiopathic pulmonary fibrosis is most common

airspaces become fibrosed…resistant to expansion

lung volumes decreased

hypoxemia and cor pulmonale may occur