Difference Between Hemoptysis and Pseudo Hemoptysis

February 2023 · 4 minute read

What are Hemoptysis and Pseudo hemoptysis?

Hemoptysis is a condition in which small amounts of blood mixed with sputum (blood-stained mucus from the lungs, trachea, bronchi or larynx) are brought up by a forceful cough. Pseudo hemoptysis is another name of false hemoptysis. Pseudo hemoptysis is defined as the expectoration (to eject blood from the throat or lungs by spitting, coughing or hawking) of blood from sources other than the bronchial or. pulmonary systems. Similarly, its etiologies (the study of causation or origination) are often. inflammatory, neoplastic (relating to a neoplasm or neoplasia), vascular or traumatic in origin.

Hemoptysis

Hemoptysis is defined as the expectoration (ejection of blood from the throat or lungs by spitting, coughing or hawking) of blood which is derived from the lungs or bronchi and arises as a result of pulmonary (relating to the lungs) or bronchial hemorrhage (an acute bleeding from the lung). The causes of hemoptysis are numerous and may be related to processes intrinsic to the pulmonary system or may have their origin in diseases that secondarily involve the lungs. Bronchitis, pneumonia, and tuberculosis are pulmonary infectious processes that frequently precipitate hemoptysis. Neoplastic causes include a variety of primary lung cancers or malignant tumors metastatic (cancer spreading to a different body part from where it started) from any location in the body. Cardiovascular (heart related), thromboembolic, and traumatic etiologies are less frequent causes of hemoptysis.

Pseudo Hemoptysis?

When red colored sputum is visible without the actual presence of RBCs (red blood cells), due to the manifestation of red pigment forming bacteria called Serratia marcescens infection, the condition is pseudo or false hemoptysis. Similarly, its etiologies are often inflammatory, neoplastic, vascular or traumatic in origin.

Difference between Hemoptysis and Pseudo hemoptysis 

Description

Hemoptysis

Hemoptysis (means “spitting up blood”) is the expectoration (the act of coughing up and spitting out the material produced in the respiratory tract) of blood or blood-tinged sputum from the lungs or tracheobronchial tree.

The blood can appear as flecks (mark or dot with small patches of colour), streaks or can be quite massive in amount.

Pseudo hemoptysis 

Pseudo hemoptysis (aka false pseudo hemoptysis) is defined as the expectoration (to eject blood from the throat or lungs by spitting, coughing or hawking) of blood from sources other than the bronchial or. pulmonary systems. Similarly, its etiologies (the study of causation or origination) are often. inflammatory, neoplastic (relating to a neoplasm or neoplasia), vascular or traumatic in origin.

Causes

Hemoptysis

Infections

Tumors

Cardiovascular

Trauma

Other

Pseudo hemoptysis 

Clinical features

Hemoptysis

Pseudo hemoptysis 

Summary

The points of difference between Hemoptysis and Pseudo hemoptysis have been summarized as below:

Hemoptysis Vs. Pseudo hemoptysis: Comparison Table 


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