Less is best?

A Case Where Less PEEP is Best

A V/Q lung scan was obtained in a patient with LLL collapse who was receiving IPPV and PEEP. This revealed absent ventilation and hyperperfusion to the collapsed lobe. After a reduction in PEEP from 12 to 5 cm H O, a repeat V/Q scan showed a more even distribution of pulmonary perfusion. Arterial hypoxemia improved. (Chest 1991; 99:1034-36) D espite continuing controversy regarding the most app...

Radioiodine for thyroid cancer: sometimes, less is best.

When Less Is Best: Female Brown-Headed Cowbirds Prefer Less Intense Male Displays

Sexual selection theory predicts that females should prefer males with the most intense courtship displays. However, wing-spread song displays that male brown-headed cowbirds (Molothrus ater) direct at females are generally less intense than versions of this display that are directed at other males. Because male-directed displays are used in aggressive signaling, we hypothesized that females sh...

What Is the Best Research Globally?

Dr. Afshari’s editorial gives insight on human nature (1). Collaborative willingness usually occurs when different sides perceive personal benefit, or when institutions mandate collaboration. This is not unique between higher and lower income countries; many working in global emergency medicine (EM) observe this within wealthier countries. It exists among collaborators in low resource settings....

Methods of Teaching Electrocardiogram: Which One Is the Best?

Introduction: There are many methods for teaching ECG interpretation, but deciding on the best method is yet to be discussed. The purpose of this research was to examine teaching methods for ECG interpretation and introduce the most effective ones. Methods: This systematic review was conducted by searching through scientific databases of PUBMED, Science Direct, SID and IranMedex. Papers publish...