Occult paraquat poisoning causing pneumomediastinum and organizing pneumonia.

Pneumomediastinum is not an uncommon manifestation of lung toxicity in acute paraquat ingestion. The condition is almost invariably seen with other lung parenchymal abnormalities such as consolidations, ground-glass opacities and interlobular septal thickening. The diagnosis may be challenging in cases with no history of toxin exposure, presentation with a subacute illness and/or absence of typical local or systemic features of paraquat toxicity.

Utility of point-of-care urine trypsinogen dipstick test for diagnosing acute pancreatitis in an emergency unit.

A point-of-care diagnostic test for acute pancreatitis could help in early triage and management of this condition. Urine trypsinogen dipstick test (UTDT) was performed in consecutive cases suspected to have acute pancreatitis and diagnostic accuracy calculated. Of 187 patients, 90 were have acute pancreatitis and UTDT was positive in 61 (67.