0 Recently I coauthored an article about the bedside evaluation of shock using ultrasonography. It’s a reasonable article, albeit conventional. Below is a summary of the key points. 0 Many textbooks recommend line-box algorithms for approaching a patient with shock, for example the ACES algorithm below. These algorithms allow the operator to reach a diagnosis based […]
Apneic oxygenation and high-flow nasal cannula don’t prevent desaturation during intubation?
0 0 Introduction 0 Recently there has been increased interest in the use of high-flow nasal cannula (HFNC) to provide preoxygenation and apneic oxygenation during endotracheal intubation. Previous posts have discussed the basic physiology and some evidence behind this. Vourc’h et al. just published a RCT showing no benefit from HFNC in this situation (1). […]
Demystifying the p-value
Introduction 0 The limitations of p-values for null hypothesis testing has been debated since their invention in the 1920s. Unfortunately, statistics textbooks typically whitewash this controversy, presenting null hypothesis testing as the only viable approach to statistics. Recently, the journal of Basic and Applied Social Psychology took this debate a step further, officially banning the […]
Sleep-protective monitoring to reduce ICU delirium
0 Introduction 0 Recently an excellent post on the Trauma Professional’s Blog pointed out that nocturnal vital signs disrupt sleep and may be unnecessary in stable patients (e.g. patients recovering from minor orthopedic surgery). I couldn’t agree more. Allowing restorative sleep is one of the best approaches to prevention of delirium. 0 What about patients […]
CT Angiogram for evaluation of severe hematochezia
Introduction 0 Gastrointestinal hemorrhage is a common reason for ICU admission. The approach to severe upper GI bleeding is relatively straightforward (figure below). A predictable approach facilitates planning ahead, and anticipating who needs to be contacted for help when. 0 0 Unfortunately, the approach to severe hematochezia is often less clear. Below is a description […]
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