-
What is used to measure FRC?
Open-circuit (N2 wachout), closed-circuit/rebreathing (He dilution), and Thoracic Gas Volume (Vtg) (AKA body box)
-
Diseases in which airflow into or out of the lungs is reduced: COPD, Bronchiectasis, Asthma, Cystic Fibrosis, Upper airway obstructions
Obstructive airway diseases
-
Pulmonary fibrosis, Pneumoconiosis, Sarcoidosis, Diseases of chest wall and pleura, Neuromuscular disorders, CHF, Lung transplant are what kind of diseases?
Restrictive Lung Diseases
-
Spirometry equipment: What is used for Volume-time studies?
Chain compensated water seal and Stead-Wells water sealed direct volume displacement spirometer.
-
Spirometry eqipment: What is used for flow-volume loops?
Rolling seal spirometer, Bellows or wedge spirometer, and pneumotachometer.
-
Four lung volumes.
VT, IRV, ERV, RV
-
Four lung capacities.
IC, VC (FVC and SVC), FRC, TLC
-
What is the normal value of the diffusion capacity?
25 ml/min/mmHg
-
what is the gold standard for COPD diagnosis?
Spirometry
-
In an obstructive disorder, the FEV1 and FEV1% are both
decreased
-
In a restrictive disorder, the FEV1 and FEV1% are?
FEV1 decreased and FEV1% n or increased
-
What lung vol. and cap. cannot be measured directly by spirometry?
TLC, RV, and FRC
-
Identify three methods to measure the TLC, RV, and FRC
N2 washout, helium dilution, body plethysmorgraphy, and planimetry
-
What is considered a significant change in pre-to post-shift spirometric results?
5% or 200ml
-
What factors might account for a change in spirometric values from pre-shift to post-shift workers?
Fatigue, cigarette smoking or second hand, exposure to dusts and fumes
-
What is considered a significant change in annual spirometric results?
Greater than 12%
-
What factors might account for changess in annual spirometry?
Age, Disease, smoking, seasonal allergies, significant weight gain or loss, axposure to occupational susts and fumes
-
Practice 5, 6, and 7
Adding lung volumes and capacities
-
What would saw-tooth on the inspiratory loop of a flow-volume tracing most likely represent?
Variable extrathoracic obstruction of soft tissue, e.g. sleep apnea
-
How do you determine the accuracy of a water-sealed spirometer?
3L syringe
-
what does the angle of louie represent?
The placement of carina
-
What is the Bat wing a sign of?
cardigenic Pulmonary edema
-
What is the leteral decubitus view used for?
Identification of Pleural effusion
-
Also look at the critical thinking questions from before
he said there will be some from there.
|
|
