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In this St. Emlyn's podcast, Rick Body and Greg Yates, continue our exploration of diagnostic test accuracy, shifting our focus to positive predictive value (PPV) and negative predictive value (NPV). These concepts are vital for anyone preparing for exams or looking to enhance their application of diagnostic tests in clinical practice. While our last podcast discussion centred on sensitivity and specificity, PPV and NPV offer a different, arguably more clinically practical perspective on interpreting test results.
Positive predictive value (PPV) and negative predictive value (NPV) are essential tools for understanding the effectiveness of diagnostic tests. PPV helps us determine the likelihood that a patient with a positive test result actually has the condition, whereas NPV helps us gauge the probability that a patient with a negative test result does not have the disease. These values are crucial for making informed clinical decisions, particularly when considering the prevalence of a condition in the population. Today, we’ll delve into these concepts, their practical applications, and why it's important to consider both PPV and NPV alongside sensitivity and specificity.
 
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In today's episode, taken from live recordings at PREMIER 2024, we dive into an increasingly common treatment for type 1 diabetes: hybrid closed loop insulin pumps. We'll begin with a brief overview of traditional insulin pumps and explain how hybrid closed loops are different. The core of our discussion will be centered around three case studies, illustrating potential scenarios you might encounter in a pediatric emergency department and how to manage them effectively.
With NICE's recent technology appraisal advocating for universal access to hybrid closed loop systems for all type 1 diabetes patients, it's crucial to understand these devices. Over the next few years, you'll likely encounter these systems frequently. We'll cover the essentials of how these pumps work, their benefits, and potential issues that might arise, such as connectivity problems, cannula issues, and handling intercurrent illnesses.
Join us as we explore the revolutionary impact of hybrid closed-loop systems, which offer better glucose control and significantly improve the quality of life for those with type 1 diabetes.
Dr Nicola Trevelyan has been the Clinical Lead for the Paediatric Diabetes Service in Southampton for the last 20 years. During this time, she has seen huge changes in the management of CYP with diabetes.  She has been involved in several large multicentre trials for paediatric diabetes,  helping to better our understanding of how best to use new technologies in diabetes management in children and move forward access to new treatment technologies.  She was one of the founding committee members for the Assoc of Children's Diabetes Clinicians (ACDC) in 2006 and has been on working parties for BSPED helping evidence base and re-write the national DKA guidelines in 2020 and for the National Paediatric Diabetes Audit.  For the last 4 years, she has been on the Clinical Advisory Group for the RCPCH Quality Improvement Programme for Paediatric Diabetes. 

It was a huge pleasure to sit down with Steve Smith, a name synonymous with ECG expertise. Steve, renowned worldwide for his influential ECG blog, has been a pivotal figure in advancing our understanding of ECGs. Many of us have honed our ECG skills thanks to Steve’s insights. I had the opportunity to meet Steve about a decade ago at one of the SMACC conferences. Today, we delve into the fascinating world of occlusive myocardial infarction (OMI) and its comparison to STEMI (ST-elevation myocardial infarction), and explore the promising future of artificial intelligence in ECG interpretation.
A comprehensive blog post with references is available here

Eating disorders are a critical health concern that tragically lead to numerous deaths, especially among young women during their transition age. Anorexia nervosa, in particular, is the most deadly psychiatric condition with a 10% lifetime mortality risk. Recent coroner reports highlight significant medical failings and a dire lack of knowledge among healthcare providers. Given the 90% increase in eating disorder admissions over the last five years, this issue demands urgent attention.
In this podcast Anna Kyle, a consultant paediatrician, covers all you need to know when looking after a young person or young adult with an eating disorder in the Emergency Department.
Comprehensive notes can be found here

Stay up to date with the latest insights in emergency medicine and critical care. Join us for the St Emlyn’s Monthly Podcast discussing all of the blog content from May 2024

Learn about Sudden Arrthymic Death Syndrome in children. Listen to this podcast recorded live at the Premier Conference 2024.