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Dyspnea in Chronic Low Ventricular Preload States.
Rubabin Tooba1, Kenneth A Mayuga2, Robert Wilson3
1Medicine Institute.
Annals of the American Thoracic Society
|April 1, 2021
Summary
Dyspnea, or shortness of breath, in low-preload states is increasingly recognized. Diagnosis and treatment require a multidisciplinary approach, often involving invasive cardiopulmonary exercise testing.
Area of Science:
- Cardiology
- Pulmonology
- Exercise Physiology
Background:
- Dyspnea in low-preload states is an underrecognized condition causing debilitating symptoms.
- Low preload can decrease cardiac output, leading to shortness of breath.
- Growing diagnosis in patients with unexplained dyspnea.
Purpose of the Study:
- To understand the pathophysiology, diagnosis, and treatment of dyspnea in low-preload states.
- To explore selected etiologies contributing to this condition.
- To suggest an algorithm for approaching unexplained dyspnea.
Main Methods:
- Literature review.
- Multidisciplinary evaluation.
- Invasive cardiopulmonary exercise testing as a diagnostic mainstay.
Main Results:
- Identified key etiologies of dyspnea in low-preload states.
- Proposed an algorithm for diagnosing unexplained dyspnea.
- Confirmed invasive cardiopulmonary exercise testing as crucial for diagnosis.
Conclusions:
- A multifactorial approach combining nonpharmacological and pharmacological therapies yields optimal results.
- Effective management of dyspnea in low-preload states requires a comprehensive strategy.
- Further research into this growing diagnostic category is warranted.
Keywords:
autonomic dysfunctiondyspneapostural orthostatic tachycardia syndromepreload failurepreload insufficiencyMore Related Videos
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