Compared with other urine analysis methods, urine Gram stain has a moderate predictive value for detecting gram-negative bacteria in urine culture but does not significantly improve urinary tract ...

All episodes of lower respiratory tract infection that developed among 96 patients surviving for >24 hours after cardiac arrest were prospectively studied over an 18-month period. Pneumonia developed ...

Clinicians continue to question the usefulness of microscopic examination of Gram-stained sputum specimens ("Gram staining") and sputum culture for diagnosis of pneumonia. We analyzed the sensitivity ...