American Lung Association | American Lung Association



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Pulmonary Function Case 1A:

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Test Meas Pred % Pred

FVC 2.20 2.58 85

FEV1 1.79 1.85 97

FEV1/FVC .81 .72

FEF25-75% 1.82 2.23 82

PEF 5.67 5.20 109

Answer:

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Pulmonary Function Case 1B:

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Test Meas Pred % Pred

FVC 5.08 4.94 103

FEV1 2.66 3.58 74

FEV1/FVC .52 .72

FEF25-75% 1.40 3.47 40

PEF 6.49 9.10 71

Answer:

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Pulmonary Function Case 1C:

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Test Meas Pred % Pred

FVC 4.09 4.25 96

FEV1 1.95 2.88 68

FEV1/FVC .48 .68

FEF25-75% .48 2.65 18

PEF 6.27 8.06 78

Answer:

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Pulmonary Function Case 1D:

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Test Meas Pred % Pred

FVC 3.02 3.41 88

FEV1 1.23 2.53 49

FEV1/FVC .41 .74

FEF25-75% .41 2.77 15

PEF 3.95 6.10 65

Answer:

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Pulmonary Function Case 1E:

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Test Meas Pred % Pred

FVC 3.00 4.79 63

FEV1 2.54 3.28 77

FEV1/FVC .85 .69

FEF25-75% 3.25 2.97 109

PEF 9.12 8.92 102

Answer:

Case Review Two

9:15 a.m. Emergency Department

Kate Wind is a 10-year-old female admitted to the emergency department with the diagnosis of asthma. This patient had one prior admission for asthma at this facility in the past year. On physical examination, the following is noted:

Patient complains of shortness-of-breath, chest “tightness,” and feeling “very tired.” States she has taken two Proventil treatments in the last hour. Neither has decreased her symptoms. She has had cold symptoms for seven days. Mom states that Kate is breathless while talking and she is communicating only in short phrases. Has a constant, dry, tight, non-productive cough. Her peak-flow rate (PEFR) is 167. Her baseline predicted peak flow is 270.

History (obtained from patient and mother):

Diagnosed with asthma two years ago; Has problems in spring and fall in association with seasonal “hay fever” and asthma symptoms becomes more frequent. She has been using her Proventil MDI every four hours for the past week. She normally uses her MDI infrequently, except during early spring and fall. She has been complaining of a continual daytime cough for the past 24 hours and her night cough has become frequent. Cared for at the local health clinic and not seen by one physician. She has had two to three office visits for asthmatic episodes over the past year. She is not on any daily medications. She has a peak- flow meter but doesn’t have a written plan. She is allergic to several strains of pollen and mold. She lives in a wooded area and they use a wood burning stove to heat their home in the wintertime.

1. What is the symptom severity level?

2. Which signs and symptoms indicate this severity classification?

Case Review Three

Timmy Tubes is being seen in the pediatrician’s office for a well visit. He is a six-year-old white male who lives with his mom, dad and three siblings. Timmy’s mom is under a lot of stress raising four children and taking care of husband who was recently diagnosed with throat cancer. Dad spends the daytime at hospice so she can work as a unit clerk at the local hospital. Timmy was diagnosed with asthma at the age of three. His recent medication plan was: Singulair 5 mg 1 tab p.o. at bedtime and Flovent 44 mcg, 2 puffs BID. He has not been taking either medication on a daily basis. Mom says she is having a difficult time caring for her family, let alone trying to give Timmy medications daily. She reports that he coughs daily and he is not able to play a sport because the symptoms interfere, he is unable to participate in an event without coughing, wheezing and stopping to catch his breath. He wakes up two to three nights every week with coughing/wheezing. He is taking his albuterol via a nebulizer twice a day and occasionally three times a day, especially when he is playing hard in the neighborhood.

He doesn’t have any rescue medication at school. Mom is called if he needs a treatment because they only have one machine and Timmy is not carrying it to school. He also complains of runny nose, itchy watering eyes and sneezing. These symptoms seem to be year round. He has not been tested for allergies. He used to track peak flow but has not done this in six months. They don’t even know where the device is. They have two cats and a dog in the house.

He presents today with inspiratory and expiratory wheezing. Timmy reports he feels great. He is coughing in the office. He performed a peak flow and it was 150. His baseline, according to mom is, 200.

1. What is the symptom severity level?

2. Which signs and symptoms indicate this severity classification?

Case Review Four

Carey Cough is a 50-year-old white male. He is working three jobs to make ends meet. He owns the family farm. He works in a pizza shop making pizza and at the local movie theater and on the farm where he plants and harvests crops, mills wood and takes care of the horses. He states that being around horses makes his eyes and nose watery and itchy. He has not been tested for allergies.

This is Cary Cough’s first visit with the asthma educator in the family practice office. He has been seeing this doctor for 10 years. He has a history of being on oral steroids at least four times a year. He has not been hospitalized but has had frequent emergency department visits. He has a peak-flow meter but has not tracked it in two years. Carey reports that his chest is a little tight today, but he states this is normal for him. He takes his albuterol two times a day. He has frequent nighttime symptoms. He complains of wheezing daily. His peak flow today was 370. His normal should be 570. He is supposed to be taking Pulmicort – 2 puffs twice a day, but he takes it as needed; Claritin 10 mg tab daily; and Singulair 10 mg tab at bedtime. He states with his work schedule, it is hard for him to remember to take his medications but he does take the Singulair. He also admits to smoking half a pack of cigarettes a day. Breath sounds reveal expiratory wheezing.

1. What is the symptom severity level?

2. Which signs and symptoms indicate this severity classification?

Case Review Five:

DeeDee Double is a 17-year-old African American. She was diagnosed with asthma at the age of two. Her mother and grandma have asthma. She has used a peak-flow monitor in the past but has not tracked it in the past month. Her personal best she reports is 460. Today she reached 380.

She has been hospitalized in the past for her asthma. Mom is recently unemployed and they no longer have insurance coverage, so and they have difficulty getting their medications filled. They are living with their grandparents and five other relatives. DeeDee and her mother sleep in the basement on a very old couch. There are four people in the household who smoke in the car and at home. DeeDee states that she is doing pretty well right now. She states that she uses albuterol maybe once a week. She notices her asthma is usually triggered when she gets home from school and with weather change and upper respiratory infections. Her treatment plan includes Flovent 44 mcg and albuterol prn. She admits she is not being compliant with taking Flovent. DeeDee wakes up coughing three to four times a month at night.

1. What is the symptom severity level?

2. Which signs and symptoms indicate this severity classification?

CASE REVIEW ANSWER SHEET

Case Review 1A – Normal

The FEV1, FVC, and FEV1/FVC are normal. The flow-volume loop is normal. This is a normal spirogram.

Case Review 1B – Uninterpretable, does not meet acceptability criteria

The volume-time plot reveals a poor start to the test, an irregular upstroke on expiration and a poorly sustained plateau that all indicate variable effort. This test is uninterruptable as it fails acceptability criteria.

Case Review 1C – Mild-to-moderate obstruction

The FEV1 is mild to moderately reduced (68% predicted), the FVC is normal and the FEV1/FVC is reduced. This spirogram demonstrates mild-to-moderate obstruction.

Case Review 1D – Severe obstruction

The FEV1 is significantly reduced, FVC is normal and the FEV1/FVC is reduced. This spirogram demonstrates severe obstruction.

Case Review 1E – Restrictive ventilatory defect, long volumes necessary for confirmation

The FEV1 is mildly reduced, the FVC is moderately reduced and the FEV1/FVC is high. The flow-volume loop is narrow but of normal shape. This suggests a restrictive defect.

Case Review Two

Symptom severity level: Severe persistent asthma

Signs and symptoms indicating severity level:

Constant daytime cough

Frequent nighttime cough

Case Review Three

Symptom Severity level: Moderate persistent asthma

Signs and symptoms indicating severity level:

Daily cough

Nighttime symptoms two to three times a week

Peak flow 75% of predicted

Case Review Four

Symptom severity level: Severe persistent asthma

Signs and symptoms indicating severity level:

Frequent nighttime symptoms

Case Review Five

Symptom severity level: Mild persistent asthma

Signs and symptoms indicating severity level:

Peak flow 83% of predicted

Wakes up coughing three to four times a month at night

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Case Review

Review the pulmonary function results and select the correct basic interpretation.

Choose from the following answers:

1. Normal

2. Mild to moderate obstruction

3. Severe obstruction

4. Severe obstructive ventilatory defect, cannot exclude a concomitant restrictive defect

5. Restrictive ventilatory defect, long volumes necessary for confirmation

6. Uninterpretable, does not meet acceptability criteria

Case Review

Review the pulmonary function results and select the correct basic interpretation.

Choose from the following answers:

7. Normal

8. Mild to moderate obstruction

9. Severe obstruction

10. Severe obstructive ventilatory defect, cannot exclude a concomitant restrictive defect

11. Restrictive ventilatory defect, long volumes necessary for confirmation

12. Uninterpretable, does not meet acceptability criteria

Case Review

Review the pulmonary function results and select the correct basic interpretation.

Choose from the following answers:

13. Normal

14. Mild to moderate obstruction

15. Severe obstruction

16. Severe obstructive ventilatory defect, cannot exclude a concomitant restrictive defect

17. Restrictive ventilatory defect, long volumes necessary for confirmation

18. Uninterpretable, does not meet acceptability criteria

Case Review

Review the pulmonary function results and select the correct basic interpretation.

Choose from the following answers:

19. Normal

20. Mild to moderate obstruction

21. Severe obstruction

22. Severe obstructive ventilatory defect, cannot exclude a concomitant restrictive defect

23. Restrictive ventilatory defect, long volumes necessary for confirmation

24. Uninterpretable, does not meet acceptability criteria

Case Review

Review the pulmonary function results and select the correct basic interpretation.

Choose from the following answers:

25. Normal

26. Mild to moderate obstruction

27. Severe obstruction

28. Severe obstructive ventilatory defect, cannot exclude a concomitant restrictive defect

29. Restrictive ventilatory defect, long volumes necessary for confirmation

30. Uninterpretable, does not meet acceptability criteria

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