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How to Calculate Positive Predictive Value
 
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Video describing how to calculate the probability that a patient has disease when they have a positive test
Views: 31170 Terry Shaneyfelt
Decreased facial expression variability in patients with serious cardiopulmonary disease
 
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Read the full paper: http://goo.gl/awVQNU It has been previously shown that adults who present with symptoms of chest pain and shortness of breath evoke concern for several life threatening conditions including pneumonia, acute coronary syndrome (ACS), pulmonary embolism (PE), heart failure, pneumothorax, mediastinal disease processes and uncommonly, aortic dissection. Rapid and accurate diagnosis can improve outcome. Decision aids and prediction rules have been developed which convert objective data gathered at the bedside into numeric values to estimate the pretest probability of specific diseases, such as ACS and PE.2 Pretest probability assessment is of major importance to care processes. For example, a high pretest probability justifies immediate treatmentand definitive, often costly and invasive testing; lower estimates can be used to justify the use of less expensive, less invasive diagnostic tests; and the lowest estimates can be used to avoid testing altogether. Pretest probability can be assessed several ways, including scoring systems, computerised methods, Bayesian network methodology or by implicit estimation.3--6 Many physicians prefer to use the implicit or empiric approach, alternatively referred to as the gestalt method of pretest probability assessment for both ACS and PE. In this work, we use the Facial Action Coding System (FACS) that measures facial movement on a numeric scale. The primary aims were to determine the maximum change in facial muscle contractions from baseline to that observed during reaction to visual stimuli, and test whether the numeric values of these deflections accurately predict the presence or absence of significant acute cardiopulmonary disease using receiver operating characteristic (ROC) curve analysis.
Pretest and Posttest Analysis Using SPSS
 
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This video demonstrates a few ways to analyze pretest/posttest data using SPSS.
Views: 101462 Dr. Todd Grande
Comparing P value to significance level for test involving difference of proportions | Khan Academy
 
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Comparing P value to significance level for test involving difference of proportions. View more lessons or practice this subject at http://www.khanacademy.org/math/ap-statistics/two-sample-inference/two-sample-z-test-proportions/v/p-value-conclusions-difference-proportions?utm_source=youtube&utm_medium=desc&utm_campaign=apstatistics AP Statistics on Khan Academy: Meet one of our writers for AP¨_ Statistics, Jeff. A former high school teacher for 10 years in Kalamazoo, Michigan, Jeff taught Algebra 1, Geometry, Algebra 2, Introductory Statistics, and AP¨_ Statistics. Today he's hard at work creating new exercises and articles for AP¨_ Statistics. Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help! Donate or volunteer today! Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc Volunteer here: https://www.khanacademy.org/contribute?utm_source=youtube&utm_medium=desc
Views: 2253 Khan Academy
A conceptual introduction to power and sample size calculations using Stata®
 
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Learn the basic concepts of power and sample size calculations. With definitions for alpha levels and statistical power and effect size, a brief look at Stata's interface, and strategies for increasing statistical power, this video is a useful introduction for all subsequent power and sample size videos on the Stata Youtube Channel. Created using Stata 13; new features available in Stata 14. Copyright 2011-2017 StataCorp LLC. All rights reserved.
Views: 52599 StataCorp LLC
Sample FE exam problems - 02 - Probability and Statistics - Combinations 02
 
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Solving Fundamentals of Engineering exam problems specific to Mathematics. Subject: Probability and Statistics Topic: Combinations
Views: 17997 Daily FE Exam Prep
Dices and Cubes Verbal and Non-verbal Reasoning problems | Team MAST
 
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This video covers out the unique trick to get the answer correct always (100 %) for both verbal and non-verbal reasoning questions on dices and cubes and that too within no time. There are basically three types of questions from the topic dices and cubes :- 1) When you are given 3 or 4 figures and asked to find the opposite side of any phase. The trick used for these type of questions is elimination method trick explained here : https://youtu.be/Wk2a4uH2xXk?t=1m45s 2) When you are given just 2 figures and asked to find the opposite side of any phase. The trick used for these type of questions is orientation method trick explained here : https://youtu.be/Wk2a4uH2xXk?t=3m50s 3) When you are given unfolded piece of paper (when the cube is opened) trick used for these type of questions is explained here : https://youtu.be/Wk2a4uH2xXk?t=5m50s Dices and Cubes Verbal and Non-verbal Reasoning problems You would also like to watch : 1) Vedic maths multiplication of two digit numbers -: https://www.youtube.com/watch?v=j4HeP5BOsS4 2) Vedic maths multiplication of three digit numbers -: https://www.youtube.com/watch?v=-2HHxWf69ys 3) Vedic math multiplication using base method (for 2, 3, 4 digit numbers) -: https://www.youtube.com/watch?v=n-vSvmAfKpA 4) Vedic math multiplication for series 11…. -: https://www.youtube.com/watch?v=RdZbrtaKbek 5) Vedic math multiplication for series 999….. -: https://www.youtube.com/watch?v=5TEzOOX423k 6) Cube root of a number using Vedic Math -: https://www.youtube.com/watch?v=fSbU4Ji46Xw 7) Square root of a number in 5 seconds -: https://www.youtube.com/watch?v=AUxbITBX6eY 8) Square of 2 and 3 digit numbers using Vedic Math -: https://www.youtube.com/watch?v=0MASDIVQpXk 9) Cube using Vedic Math -: https://www.youtube.com/watch?v=J1InAm358NI You can also see our whole collection of aptitude videos here : https://www.youtube.com/watch?v=AUxbITBX6eY&list=PLqrRs5DI6ahOAlzlaTPZoyOMnRw2irX5W If you wish to remain updated with our latest tutorials you can subscribe to our channel : https://www.youtube.com/teammast If you had any of these queries -: dices and cubes verbal and Non-verbal Reasoning problems cubes and dices basics cubes and dices tricks cubes and dices reasoning cubes and dices problems with solutions pdf cubes and dices questions cubes and dice non verbal reasoning cubes and dice - non verbal reasoning questions and answers cubes and dice formula cubes and dice reasoning tricks cubes logical reasoning cubes tricks cubes shortcuts cubes and dice reasoning tricks in English cubes logical reasoning cat cubes and cuboids dice tricks reasoning dice problems dice problems reasoning dice tricks dice problems reasoning dice problems solutions famous dice problems dice problems rules dice problems shortcuts yet another analysis of dice problems Boom..!! You have landed to the perfect place. This video will guide you as per you needed.
Views: 277851 Team MAST
D-dimer
 
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D-dimer (or D dimer) is a fibrin degradation product (or FDP), a small protein fragment present in the blood after a blood clot is degraded by fibrinolysis. It is so named because it contains two crosslinked D fragments of the fibrin protein. D-dimer concentration may be determined by a blood test to help diagnose thrombosis. Since its introduction in the 1990s, it has become an important test performed in patients with suspected thrombotic disorders. While a negative result practically rules out thrombosis, a positive result can indicate thrombosis but does not rule out other potential causes. Its main use, therefore, is to exclude thromboembolic disease where the probability is low. In addition, it is used in the diagnosis of the blood disorder disseminated intravascular coagulation. This video is targeted to blind users. Attribution: Article text available under CC-BY-SA Creative Commons image source in video
Views: 6615 Audiopedia
How to find the answer to any question! Awesome new website!
 
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Hey guys, I just found this new website and thought I'd share with you!
Views: 71365 JohnDesire
Java Program for Randomly Assigning Participants to Experimental Conditions & Pairs
 
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For a field experiment in a classroom I needed to assign participants to one of three conditions, and assign them to one of three types of pairs (homogenousx2, heterogeneous) based on their self-reported self-efficacy. Students arrived at class, completed a questionnaire, and while they took their pretest, my condition assigner computed each student's self-efficacy, determined the median (to create "high" and "low" self-efficacy categorizations), created pairs, and evenly assigned types of pairs to a condition (targeting high/low/neither self-efficacy). I wrote the condition assigner in Java.
Views: 132 Iris H
Catherine Lucey, MD, Clinical Problem Solving, Module 4: Part 1
 
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'Part 1: Case Study: Marie Triglioni’ is a part of Module 4's topic on "Understanding how diagnostic tests can be appropriately used to improve diagnostic accuracy." Dr. Catherine Lucey is Vice Dean for Education in the School of Medicine at UCSF. More on Dr. Lucey: http://profiles.ucsf.edu/catherine.lucey UC San Francisco advances health through education, research, patient care and public service. With seven major sites in the San Francisco Bay Area and Fresno, the UCSF School of Medicine is dedicated to improving human health by accelerating scientific discovery and transforming medical education. The school’s new Bridges curriculum is pioneering a new approach to medical education to prepare physicians for practice in the 21st century. Through mentorship and collaborative learning, students are trained to care for patients, conduct research and contribute vital knowledge to improve our health system. To see more lectures in this series, click here: https://www.youtube.com/playlist?list=PLP08XsLK51Qxpz8Rp5hGH09_jTCBRoVAE Main channel page: https://www.youtube.com/c/UCSFSchoolofMedicine To subscribe to this channel: https://www.youtube.com/channel/UCprcipiXNXTzJYJfN02rHsA?sub_confirmation=1
Catherine Lucey, MD, Clinical Problem Solving, Module 3: Part 2
 
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'Part 2: Establishing and Prioritizing a Differential Diagnosis’ is a part of Module 3's topic "Using disease and patient illness scripts to prioritize differential diagnostic possibilities into tiers of probability." Dr. Catherine Lucey is Vice Dean for Education in the School of Medicine at UCSF. More on Dr. Lucey: http://profiles.ucsf.edu/catherine.lucey UC San Francisco advances health through education, research, patient care and public service. With seven major sites in the San Francisco Bay Area and Fresno, the UCSF School of Medicine is dedicated to improving human health by accelerating scientific discovery and transforming medical education. The school’s new Bridges curriculum is pioneering a new approach to medical education to prepare physicians for practice in the 21st century. Through mentorship and collaborative learning, students are trained to care for patients, conduct research and contribute vital knowledge to improve our health system. To see more lectures in this series, click here: https://www.youtube.com/playlist?list=PLP08XsLK51Qxpz8Rp5hGH09_jTCBRoVAE Main channel page: https://www.youtube.com/c/UCSFSchoolofMedicine To subscribe to this channel: https://www.youtube.com/channel/UCprcipiXNXTzJYJfN02rHsA?sub_confirmation=1
Learning odyssey cheats
 
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3 ways to get through the class Ignore the last part when I said text me or ask bay lol I initially made this video for my friends boyfriend who had to take the class but I later decided to post it to YouTube.
Views: 53794 Just Rich
Apex Show Answers
 
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Views: 177355 JesseFCPS
Catherine Lucey, MD, Clinical Problem Solving, Module 5: Part 1
 
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'Part 1: Mrs. Triglioni: A New Problem’ is a part of Module 5 on the topic of "Mistakes! Why They Occur and How to Find Them." Dr. Catherine Lucey is Vice Dean for Education in the School of Medicine at UCSF. More on Dr. Lucey: http://profiles.ucsf.edu/catherine.lucey UC San Francisco advances health through education, research, patient care and public service. With seven major sites in the San Francisco Bay Area and Fresno, the UCSF School of Medicine is dedicated to improving human health by accelerating scientific discovery and transforming medical education. The school’s new Bridges curriculum is pioneering a new approach to medical education to prepare physicians for practice in the 21st century. Through mentorship and collaborative learning, students are trained to care for patients, conduct research and contribute vital knowledge to improve our health system. To see more lectures in this series, click here: https://www.youtube.com/playlist?list=PLP08XsLK51Qxpz8Rp5hGH09_jTCBRoVAE Main channel page: https://www.youtube.com/c/UCSFSchoolofMedicine To subscribe to this channel: https://www.youtube.com/channel/UCprcipiXNXTzJYJfN02rHsA?sub_confirmation=1