Cardiopulmonary Resuscitation by Jon-Emile S. Kenny, MD The first time I performed cardiopulmonary resuscitation [CPR] on a patient was in the emergency department of Sunnybrook Hospital in Toronto, Canada; it was certainly an indelible moment in my training. As an intern, and especially as medical consult at Bellevue Hospital in New York City, I was [… read more]
In Defense of the Central Venous Pressure Jon-Emile S. Kenny M.D. In the waning days of my fellowship I received a hemoptysis consult in the cardiac care unit. Sifting through CT scans, I overheard two house-officers giving sign-out for the evening. When reviewing the clinical data, one of the residents referred to the central venous pressure [… read more]
Stroke Volume Variation and the Concept of Dose-Response Jon-Emile S. Kenny M.D. Awareness of the undulating pattern of an arterial line tracing is high amongst health professionals in the intensive care unit; certainly this is an aftereffect of a cacophony of studies and reviews pertaining to pulse pressure variation and fluid responsiveness in the operating [… read more]
ICU Physiology in 1,000 Words “The Hemodynamics of Prone” by Jon-Emile S. Kenny MD A physiological maelstrom has recently swirled about the hemodynamic effects of the prone position in severe ARDS [1-5]; but how exactly does this maneuver alter the cardiovascular system? A good approach to this problem is a Guytonian one whereby we consider [… read more]
image: EM Ultrasonography ICU Physiology in 1,000 Words: “Inspiratory collapse of the inferior vena cava: What is it telling us?” Jon-Emile S. Kenny M.D. With the dissemination of small, portable, ultrasound devices [or SPUDs], it seems that it is every house-officer’s dream to own the ability and wherewithal to place an ultrasound probe on a [… read more]
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