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Purpose While the use of transthoracic echocardiography (TTE) in the ICU is rapidly expanding, the contribution of TTE to altering patient outcomes among ICU patients with sepsis has not been examined. This study was designed to examine the association of TTE with 28-day mortality specifically in that population. Methods and results The MIMIC-III database was employed to identify patients with sepsis...
Over recent decades, glaciers outside of Greenland and Antarctica have displayed accelerating rates of mass loss and ice-frontal retreat, and this has been associated with unequivocal climatic and oceanic warming. Icelandic glaciers are particularly sensitive to climate variations on short-term timescales owing to their maritime setting, and have shown rapid rates of retreat and mass loss during the...
The pulmonary circulation is a high-compliance, low-resistance vascular bed with enormous volume reserve capacity. These characteristics allow it to accommodate the entire cardiac output while being subjected to a low mean pulmonary artery pressure (mPAP) of 25 mmHg. Elevations in mPAP beyond 25 mmHg at rest or 30 mmHg during exercise are signs of pulmonary hypertension (PH), a devastating disorder...
This paper presents a new, detailed geomorphological and sedimentological appraisal of the southern Svartenhuk Halvø, a remote area of West Greenland that has only been subjected to limited geomorphological and sedimentological research. Despite this, it is of importance as several studies have suggested it remained an ice-free enclave during the Last Glacial Maximum. This previous work, based on...
Epistemic curiosity is theorized to underlie the adoption of learning goals, studying strategies, and skill development critical to becoming a successful physician. However, there is relatively little research regarding the measurement of epistemic curiosity in medical learners. We administered the I- and D-type curiosity and Need For Cognition (NFC) scales to assess individual differences in epistemic...
Background Maximal consumption of oxygen $$ (\dot{V} $$ O2max) during exercise is used in patients with chronic obstructive pulmonary disease (COPD) to stratify perioperative risk. However, the impact of therapeutic hyperoxia (i.e., use of supplemental oxygen to prevent hypoxemia during exercise) on $$ \dot{V} $$ O2max and other ventilatory parameters during maximal exercise in the resting...
Unilateral diaphragm paralysis is an important and often unrecognized cause of dyspnea. In patients with appropriate risk factors, such as prior head and neck surgery and presentation of positional dyspnea or dyspnea on submersion, unilateral diaphragmatic paralysis should be considered. We present our approach to the diagnosis of diaphragm paralysis and demonstrate the utility of upright/supine spirometry...
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