University of Maryland Medical System

2 ARTICLES PUBLISHED IN JoVE

Medicine

Manual Muscle Testing: A Method of Measuring Extremity Muscle Strength Applied to Critically Ill Patients

Nancy Ciesla¹, Victor Dinglas¹, Eddy Fan^1,2, Michelle Kho^2,3, Jill Kuramoto⁴, Dale Needham^1,2,3

¹Outcomes After Critical Illness and Surgery (OACIS) Group, Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, ²Critical Care Physical Medicine and Rehabilitation Program, Johns Hopkins Hospital , ³Department of Physical Medicine and Rehabilitation, Johns Hopkins University, ⁴Department of Rehabilitation Services, University of Maryland Medical System

Survivors of acute respiratory distress syndrome (ARDS) and critical illness frequently develop long-lasting muscle weakness. Manual muscle testing (MMT) is a standardized clinical examination commonly used to measure strength of peripheral skeletal muscle groups. This video demonstrates MMT using the 6-point Medical Research Council scale.

Medicine

Measuring Cardiac Output in a Swine Model

Neerav Patel¹, Hossam Abdou¹, Joseph Edwards¹, Noha N. Elansary¹, Kelly Poe¹, Michael J. Richmond¹, Marta J. Madurska¹, Todd E. Rasmussen², Jonathan J. Morrison¹

¹R Adams Cowley Shock Trauma Center, University of Maryland Medical System, ²Uniformed Services University of the Health Sciences

Thermodilution, pressure-volume loop catheters, and contrast ventriculography are reliable and accurate methods for determining cardiac physiology such as stroke volume and cardiac output in a laboratory setting in swine.