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MDCalc is a free online medical reference for healthcare professionals that provides point-of-care clinical decision-support tools, including medical calculators, scoring systems, and algorithms. [1] MDCalc is also a mobile and web app. [ 2 ] The decision-support tools are based on published clinical research, [ 3 ] and MDCalc’s content is ...
The Yale–Brown Obsessive–Compulsive Scale (Y-BOCS) is a test to rate the severity of obsessive–compulsive disorder (OCD) symptoms.. The scale, which was designed by Wayne K. Goodman and his colleagues in 1989, is used extensively in research and clinical practice to both determine severity of OCD and to monitor improvement during treatment. [1]
[3] [4] It was then modified by either van Swieten et al. [5] or perhaps Prof. C. Warlow's group at Western General Hospital in Edinburgh for use in the UK-TIA study in the late 1980s to include the value '0' for patients who had no symptoms. [6] As late as 2005 [7] the scale was still being reported as ranging from 0 to 5. Somewhere between ...
Purpose-built devices for specific medical calculations are available from various commercial sources. There are two ways to make a calculator using an array that looks up an answer based on a large array of data or where the calculator computes the answer using a mathematical equation.
Free water clearance can be used as an indicator of how the body is regulating water. A free water clearance of zero means the kidney is producing urine isosmotic with respect to the plasma. Values greater than zero imply that the kidney is producing dilute urine through the excretion of solute-free water.
The Montgomery–Åsberg Depression Rating Scale (MADRS) is a ten-item [1] diagnostic questionnaire which mental health professionals use to measure the severity of depressive episodes in patients with mood disorders.
[3] Following the UPDRS scores over time provides insight into the patient's disease progression. For instance Michael J. Fox's symptoms started with a slight tremor, so his motor score would have been less than 10. For most patients, the "mentation, behavior and mood" scores increase later in the disease, but a subset exists for whom those ...
Questions 1 to 3 are related to bulbar onset, questions 4 to 9 are related to limb onset and questions 10 to 12 are related to respiratory onset. [7] Further developments of the ALSFRS-R include an extended version (ALSFRS-EX) [ 8 ] to mitigate the floor effect and a version with explanatory notes, which is particularly suitable for self ...