Typically a sputum gram stain will be sent off to isolate potential respiratory pathogens. Normally your findings should contain many polymorphonuclear leukocytes (>25/hpf), and few squamous epithelial cells.
There should be minimal epithelial cells in the sample (<10/hpf). Otherwise it is often an unacceptable sample because it has likely been contaminated with saliva and oropharyngeal flora.
References
Nocturia is a common symptom associated with obstructive sleep apnea. [1] Img Cred: Am J…
ASD (Atrial Septal Defect) Wide, Fixed split S2 (in contrast to the normal variation in…
Mixed apneas are characterized by absent respiratory effort and airflow in the first section of…
Although rare, the differential diagnosis of hypoventilation and hypercapnia respiratory failure includes hypothyroidism. It is…
B-type natriuretic peptide (BNP) is a hormone created in response to cardiac wall stretch due…
A common finding described on computed tomography (CT) imaging. A disease with a peribronchovascular distribution…
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