Author name: Nathan Nielsen

Dr Nielsen obtained his medical degree from the Duke University School of Medicine in Durham, North Carolina. During medical school, he also earned a Masters of Science in Control of Infectious Diseases from the London School of Hygiene and Tropical Medicine. Dr Nielsen completed an Internship and Residency in Internal Medicine at the Oregon Health and Science University in Portland, Oregon, where he later went on to complete a fellowship in Critical Care Medicine. He joined the Tulane faculty as an Assistant Professor in 2009. Dr Nielsen is a member of the Society of Critical Care Medicine, the European Society of Intensive Care, and the American Thoracic Society. His primary research interests are the effects of critical illness on red blood cell behavior and the effects of transfused red blood cells on the microcirculation of recipients. Clinical projects include developing an innovative analgesia and sedation protocol for the Tulane Medical Intensive Care Unit, and improving the teaching of invasive procedures to residents using the Tulane Simulation Center.

Top articles from Critical Care/Pulmonary Journals (February, 2016)

TOP ARTICLES FOR FEB. 2016 Download PDF here Acute Lung Injury Causes Asynchronous Alveolar Ventilation That Can Be Corrected by Individual Sighs Tabuchi A, Nickles HT, Kim M, Semple JW, […]

Pulmonary Hypertension – Dr. Karin Halvorson – Feb. 19, 2016

Title: Pulmonary Hypertension. Pearls: There are five classifications of PHTN. If PHTN is suspected in a patient, a thorough work-up for etiology is necessary. Right heart catheterization is mandatory for

Care in the Last Hours – Dr. Alexandra Leigh – February 18, 2016

End of life care, and the discussions that surround it, are becoming ever more important in the ICU. Sadly, many of these conversations do not always proceed as smoothly as

Top articles from Critical Care/Pulmonary Journals (January, 2016)

TOP ARTICLES FOR JANUARY: (Weblink and doi) Download PDF here Hospital Incidence and Outcomes of the Acute Respiratory Distress Syndrome Using the Kigali Modification of the Berlin Definition. Riviello ED,

Top articles from Critical Care/Pulmonary Journals (December, 2015)

December 2015 – Top Articles Download PDF here A Multicenter Randomized Trial of Continuous versus Intermittent β-Lactam Infusion in Severe Sepsis. Dulhunty JM, Roberts JA, Davis JS, Webb SA, Bellomo R,

Lung Ultrasound in the Critically Ill – Dr. Fayez Kheir – January 14, 2016

Dr. Fayez Kheir completed his fellowship training at Tulane in Pulmonary and Critical Care Medicine in 2013, subsequently joining the Tulane faculty as an Assistant Professor of Clinical Medicine. He

Top articles from Critical Care/Pulmonary Journals (November, 2015)

Top articles from Critical Care/Pulmonary Journals (November, 2015) Download PDF here November 2015 – Top ArticlesEarly High-Volume Hemofiltration versus Standard Care for Post-Cardiac Surgery Shock. The HEROICS Study. Combes A,

Compartment Syndromes – Dr. Rebecca Schroll – Tulane University – November, 19, 2015

Continuing our multi-disciplinary critical care lecture series is Dr. Rebecca Schroll, Assistant Professor in the Tulane School of Medicine Department of Surgery. Dr. Schroll is board certified in both General

ICU Toxicology – Dr. Karin Halvorson – Tulane University – November 12, 2015

Dr. Halvorson’s expertise on the nexus between emergency medicine and critical care is fully on display in this lecture on ICU Toxicology. Topics covered in this lecture are: a general

Dr. Karin Halvorson earned her medical degree from the University of Hawaii. She completed a combined residency in Internal Medicine and Emergency Medicine at the University of Illinois at Chicago. Subsequently she attended Brown University for her Pulmonary and Critical Care Fellowship. While at Brown she was inducted into the Alpha Omega Alpha Honor Society and earned the 2014 Fellow Teaching Award. She served as the liaison between the emergency department and the intensive care unit during her time at Brown.

Dr. Halvorson is the Medical Director of Critical Care at Tulane University Medical Center where she splits her time between the MICU and the ED. Dr. Halvorson’s research interests are on ED to ICU transitions and optimizing early critical care. She is also invested in medical education and works with Housestaff on Quality Improvement Projects for Tulane University Medical Center.