EPISODES

Understanding Bubbly Episodes

Intermittent sudden dyspneic episodes.

Volume 87, Number 3 www.aafp.org/afp American Family Physician 217 A 62-year-old nursing home patient presented with dyspnea. He had recently been discharged from the intensive care unit after treatment for urosepsis with multiple organ failure. While in the hospital, he required vasopressors and mechanical ventilation for more than three weeks. After discharge to a skilled nursing facility, th...

Prediction of Tachyarrhythmia Episodes

Ventricular tachyarrhythmia, in particular ventricular fibrillation, may be partially enabled by an imbalance within the autonomic nervous system. Decreased parasympathetic (or vagal) cardiac regulatory activity may be responsible for the development of conditions that allow ventricular fibrillation to develop and sustain itself. An analysis of R-R intervals immediately prior to episodes of ven...

Surface ozone depletion episodes

Introduction Conclusions References Tables Figures Back Close Abstract Introduction Conclusions References Tables Figures Back Close Abstract Episodes of ozone depletion in the lowermost Arctic atmosphere (0–2 km) at polar sunrise have been intensively studied at Alert, Canada, and are thought to result from catalytic reactions involving bromine. Recent observations of high concentrations of tr...

Episodes in insect evolution.

This article derives from a society-wide symposium organized by Timothy Bradley and Adriana Briscoe and presented at the 2009 annual meeting of the Society for Integrative and Comparative Biology in Boston, Massachusetts. David Grimaldi provided the opening presentation in which he outlined the major evolutionary events in the formation and subsequent diversification of the insect clade. This p...