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Tracking Cumulative Radiation Exposure to Patients

Today the Wall Street Journal published an article here regarding the tracking of cumulative radiation exposure to patients. This issue has come to the forefront in radiology over the last 5 years given the rapidly increasing volume of CT scans performed over the last 10-15 years. The data show that clinicians have increasingly ordered more … Continue reading

The Golden S Sign – Right Upper Lobe Collapse

History: middle aged female with cough.  This is a nice example of right upper lobe collapse and the classic Golden S sign, which is the elevated minor fissure convex inferiorly on the proximal/medial portion and concave inferiorly on the distal or lateral portion. This sign is classically seen with post-obstructive atelectasis due to a central … Continue reading

Non-Cardiogenic Pulmonary Edema Mnemonic – NOT CARDIAC

This mnemonic has been commonly used to recall the non-cardiogenic causes of pulmonary edema: N – Near drowning O – oxygen therapy T – Transfusion related acute lung injury or Trauma C – CNS (neurogenic pulmonary edema) A – Acute Respiratory Distress Syndrome, aspiration, altitude (high altitude pulmonary edema or HAPE) R – renal disorder or … Continue reading

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