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Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
dilatation (signet-ring sign ... A signet-ring sign ... represents an axial ... is prior infection ... usually viral, at an early
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
infection: fever ... recent head/face infection ... thrombophilia, neurologic signs ... Killers #Lethal #Fatal ... #Dangerous #Deadly