Lung Ultrasound
RadiationLung ultrasound score will be done within one hour of admission,12 hours post admission then 24 hours in intensive care unit,follow up of patients will continue for 72 hours .
a complete lung ultrasound evaluation will be performed using low frequency curved probe (2MHz-5MHz) according to the lung ultrasound score . The external lung fields will be examined by longitudinal and transverse plane scans, dividing the surface of the thorax into 12 zones: 6 on the right (anterior: upper R1 and lower R2; lateral; upper R3 and lower R4; posterior: upper R5 and lower R6) and 6 on the left side (front: upper L1 and lower L2; lateral: upper L3 and lower L4; rear: upper L5 and lower L6). LUS assigns 0 points to A lines or < 2 separate B lines plus regular sliding; 1 point with lines B ≥ 3 or spaced focal points plus regular sliding; 2 points with coalescing B lines, and 3 points to pulmonary consolidations for each zone with a score ranging from 0 (normal lungs) to 36 (worst case scenario)