…a driving pressure ≤ 15 cmH₂O, prone positioning at a P/F ratio < 20 kPa (150 mmHg), and permissive hypercapnia as long as the pH…

…makes positioning impossible. Severe angina, heart failure or recent myocardial infarction. Red flags — investigate further instead Finding Suggests : : Nystagmus that is purely vertical, downbeating or…

…Positioning: the wrist extended about 30–45 degrees over the rolled towel, the hand secured with tape. Greater extension makes the artery harder to palpate…