"COPD exacerbation" CXR ?RUL pneum. Worsening clinically ED despite resuscitation abx/steroids/fluids. Thoracic POCUS shows consolidation + many loculations suggesting empyema. IR places drain 4 source control. Great example of spine sign! - Rajiv Thavanathan @rajivthava #Clinical #POCUS #Lung #Empyema #Spine #Sign