Category Archives: Gastrointestinal

Acalculous Cholecystitis

5 to 10% of acute cholecystitis is due to acalculous cholecystitis. It is associated with more serious morbidity (gangrene 50%, perforation 10%) and higher mortality (40%). It is usually a condition of the very ill patient (ICU,  mechanical ventilation, sepsis, … Continue reading

Posted in Gastrointestinal

Ultrasound in SBO

Should we start to use ultrasound for rapid diagnosis of small bowel obstruction? In a study from European Journal of Emergency Medicine: Emergency room residents were compared to radiology residents in their ability to diagnose small bowel obstructions by bedside … Continue reading

Posted in Gastrointestinal, Ultrasound

Fecal occult blood test (FOBT)

Oral iron supplementation does not cause false-positive result Most vegetables contain peroxidase and may cause a false positive e.g., broccoli, turnips, radish, cauliflower Partly cooked or large quantities of meat can cause false positives It is helpful is ruling out … Continue reading

Posted in Gastrointestinal

Abdominal Compartment Syndrome

Abdominal compartment syndrome (ACS) is recognized with growing frequency as the cause of morbidity such as metabolic acidosis, decreased urine output, and decreased cardiac output. Broad categories of conditions associated with increased abdominal pressure are: decreased abdominal wall compliance increased … Continue reading

Posted in Gastrointestinal, Resus