Dyspnea

Question 1

Onset or worsening of dyspnea in the supine position

Answer 1

Orthopnea

Question 2

Onset or worsening of dyspnea in upright position

Answer 2

Platypnea

Question 3

Likely diagnosis for:
Tracheal deviation to right
Decreased breath sounds over left chest
Abrupt onset of dyspnea at rest

Answer 3

Pneumothorax

Question 4

Methacholine challenge used to evaluate ___

Answer 4

asthma

Question 5

2 abx that causes dyspnea

Answer 5

Nitrofurantoin

Minocycline

Question 6

Likely diagnosis of:
Onset with exertion
Resolves in a few minutes

Answer 6

Angina

Question 7

Decrease in oxygen delivery causes a shift toward ____ metabolism, which produces ___

Answer 7

anaerobic

lactic acid –> stimulate chemoreceptors to increase ventilation

Question 8

Pursed lip breathing is characteristic of:

Answer 8

COPD/Emphysema

decreased bilateral breath sounds

Question 9

Likely diagnosis for:
Long hx of dysphagia/aspiration
Prominent accessory respiratory muscle use
Worsening exertional dyspnea w/ prominent orthopnea

Answer 9

Myasthenia Gravis: blocked acetylcholine receptor at neural muscular junction

Question 10

Which of the following is NOT a cause of orthopnea?
A. CHF
B. COPD/Asthma
C. Pulmonary embolism
D. Diaphragmatic weakness
E. Obesity/Ascites/Pregnancy
Nasal Congestion

Answer 10

C

Question 11

Increase in minute ventilation

Answer 11

Hyperpnea