Hemoptysis pathophysiology

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Hemoptysis Microchapters

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sadaf Sharfaei M.D.[2]

Overview

Pathophysiology

Pathogenesis

  • Hemoptysis is an important symptom that has different etiologies and pathogenesis mechanisms.[1]
  • Blood in the hemoptysis is mostly originated from the pulmonary vasculature. However, it could be from the gastrointestinal system as well. 
  • Lung has two main vascular systems which are:
This slide shows the arterial and venous blood circulation of the pulmonary system. By Artwork by Holly Fischer - http://open.umich.edu/education/med/resources/second-look-series/materials - Respiratory Tract Slide 20, CC BY 3.0,[2]

Genetics

  • [Disease name] is transmitted in [mode of genetic transmission] pattern.
  • Genes involved in the pathogenesis of [disease name] include [gene1], [gene2], and [gene3].
  • The development of [disease name] is the result of multiple genetic mutations.

Associated Conditions

Gross Pathology

  • On gross pathology, [feature1], [feature2], and [feature3] are characteristic findings of [disease name].

Microscopic Pathology

  • On microscopic histopathological analysis, [feature1], [feature2], and [feature3] are characteristic findings of [disease name].

References

  1. "Hemoptysis - Clinical Methods - NCBI Bookshelf".
  2. "File:Pulmonary Blood Circulation.png - Wikimedia Commons".