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Clinical Research on Dyspnea
Author Bios
What is Dyspnea?
What Provokes Dyspnea?
The Nature of Dyspnea
Language of Dyspnea
Clinical Application
Research Application
Variability in Sensations
Challenges in Study
Mechanical Loads and Sense of Effort
Chemoreceptors
Currently selected section: Mechanoreceptors
Neuro-Mechanical Dissociation
Currently selected section: Phase of Respiration and Dyspnea
Physiology of Dyspnea
Respiratory System
Cardiovascular System
Measuring Dyspnea
Scaling Issues
Qualitative Aspects
Reliability and Validity Overview
Reliability and Validity
Sensitivity and Specificity
Scales
Sensation vs. Perception vs. Symptom
Treating Dyspnea
Why Measure?
Cluster Analysis
Statistical vs. Clinical Significance
Standard Error of Measurement
Measuring Fatigue
Measuring Depression
Measuring Anxiety and Hyperventilation
Measuring Quality of Life
Conclusion

 

Chapter 23: Dyspnea: Clinical Physiology of Dyspnea: Introduction
        

A 60-year-old man presents with a complaint of dyspnea on exertion. He has a longstanding history of hypertension with evidence of left ventricular hypertrophy on electrocardiogram. His past medical history is notable for asthma as a child. Walking 50 yards, he develops wheezing and acute respiratory discomfort.

Question 14.1

What is the likely clinical physiological explanation for his symptom?

Selection A Respiratory system derangement (controller, ventilatory pump, gas exchanger)
Selection B Cardiovascular system derangement (anemia, primary cardiac dysfunction, deconditioning)

 

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