Hemoptysis laboratory findings
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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
There are laboratory tests that are helpful for diagnosis the underlying cause of hemoptysis. Sputum must be evaluated for the cytology, gram stain, culture, and acid-fast stain.
Laboratory Findings
- There are laboratory tests that are helpful for diagnosis the underlying cause of hemoptysis.[1][2][3]
- Sputum analysis provides valuable information about the cause of hemoptysis. Sputum must be evaluated for the followings:
- Laboratory tests that might be abnormal in a patient with hemoptysis:
- Arterial blood gases might show:
- Blood urea nitrogen might be elevated (normal BUN 8 to 20 mg/dL)
- Creatinine might be elevated (normal Cr 0.5 to 1.0 mg/dL for women and 0.7 to 1.2 mg/dL for men)
- Complete blood count (CBC) might show:
- Coagulation studies might show:
- Elevated prothrombin time (normal PT 11-14 sec)
- Elevated partial thromboplastin time (normal aPTT 20-40 sec)
- Urinalysis might show:
- Electrolytes
References
- ↑ Lee, Myoung Kyu; Kim, Sang-Ha; Yong, Suk Joong; Shin, Kye Chul; Kim, Hyun Sik; Yu, Tae-Sun; Choi, Eun Hee; Lee, Won-Yeon (2015). "Moderate hemoptysis: recurrent hemoptysis and mortality according to bronchial artery embolization". The Clinical Respiratory Journal. 9 (1): 53–64. doi:10.1111/crj.12104. ISSN 1752-6981.
- ↑ Khalil, A.; Fedida, B.; Parrot, A.; Haddad, S.; Fartoukh, M.; Carette, M.-F. (2015). "Severe hemoptysis: From diagnosis to embolization". Diagnostic and Interventional Imaging. 96 (7–8): 775–788. doi:10.1016/j.diii.2015.06.007. ISSN 2211-5684.
- ↑ Bruzzi, John F.; Rémy-Jardin, Martine; Delhaye, Damien; Teisseire, Antoine; Khalil, Chadi; Rémy, Jacques (2006). "Multi–Detector Row CT of Hemoptysis". RadioGraphics. 26 (1): 3–22. doi:10.1148/rg.261045726. ISSN 0271-5333.