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Low dose perfusion-only (LDQ) nuclear scan (the "Q" of the V/Q scan) or CTPA are the imaging studies of choice to diagnose PE in pregnant women.  LDQ (using one-third the normal technetium) had high accuracy and lower radiation dose and may be preferred over CTPA, assuming the CXR is normal.

Crotalidae polyvalent immune antivenom (CroFab) improved limb disability in patients bitten by copperhead snakes.

A non-invasive approach to monitoring sepsis patients by using lactate clearance rather than central venous O2 saturation was just as effective once central venous pressure and mean arterial pressure were optimized.

A slow infusion of ketamine for pain control was as effective as IV push, with less sedation and far fewer patients having a feeling of unreality.

The prevalence of PE in patients with syncope may be far less that the PESIT trial indicated: 1.4% vs. 17%.

Implicit racial bias is likely influencing us in the ED, but whether that translates into impacting clinical decision making remains to be seen.

Patients intubated in the Emergency Department with usual care (no apneic oxygenation) vs apneic oxygenation (≥15L/min via nasal cannula) did not have significant differences in lowest mean oxygen saturation.

The universal basic life support termination of resuscitation (BLS-TOR) rule was effective in reducing futile transports in a rural EMS system.

Even though early goal-directed therapy has subsequently been shown to be no more effective than usual care, this landmark trial put a spotlight on sepsis care, especially starting aggressive measures as early as possible in the ED.

All children in the PED who were low risk for penicillin allergy on this questionnaire were confirmed to have no true penicillin allergy with skin testing.