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Trisomy 21 (Down Syndrome): Introduction – Pediatrics | Lecturio

In this lecture, we will discuss Trisomy 21 or Down syndrome. Trisomy 21 is when a patient has 3 copies of their 21st chromosome in every cell in their body. These patients have characteristic facial features like you can see here. They have hypotonia, they have intellectual disability and they may have congenital malformations and […]

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Multifactorial Inheritance: Qualitative & Quantitative Traits – Medical Genetics | Lecturio

Welcome back. As you’ve probably already ascertained, most genetic disorders are multifactorial in nature, having both an environmental and perhaps multiple genetic components or multiple environmental components. In this lecture, we’ll talk about ways that we start to sort out genes from variants and environment. There are definitely genetic components where we see complex interactions […]

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Attention-Deficit/Hyperactivity Disorder (ADHD) – Pediatrics | Lecturio

Let’s move on now and talk a little bit about ADHD, Attention Deficit Hyperactivity Disorder. This is defined as at least six symptoms involving inattentiveness, hyperactivity, or both that have persisted for at least a 6-month period. Inattention means problems listening, concentrating, paying attention to details, organizing tasks, or being easily distracted or forgetful. Hyperactivity […]

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Emotion: Physiological, Behavioral & Cognitive Components – Psychology & Sociology | Lecturio

Okay, let’s get into how we really respond to the world around us. So typically we were talking about is emotion. And we are going to walk through the three main components of what makes up emotion. So emotion is made up of three main components. The first being the physiological component. How does your […]

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Medical Genetics History – Medical Genetics | Lecturio

Hello. In this lecture, I’d like to give you an introduction to the scope of our medical genetics course. We’ll begin by looking at genetic medicine prior to the 21st century. Previously, we did not have nearly as much technology available. I’m sure you’re aware of that. It used to be considered detection and treatment […]

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Single Gene Disorders: Terminology & Concept Recap – Medical Genetics | Lecturio

Now, we switch gears and move on to three lectures on single gene disorders. Single gene disorders display Mendelian inheritance patterns. So, there’s a book that I recommend. It’s actually a really great reference tool for when you’re in practice. But it’s a classic that lists all the known single gene disorders. It’s called Mendelian […]

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Nondisjunction: Chromosomal Disorders & Aneuploidies – Medical Genetics | Lecturio

In this lecture, I’d like to introduce you to chromosomal disorders. It’s the first of three lectures. We’ll be discussing nondisjunction and autosomal polyploidies. To begin with, let’s take a quick review of chromosome structure and how we talk about each of the pieces of the chromosome. That will give us a little orientation to […]

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Pregnancy Physiology: Gastrointestinal & Renal System – Obstetrics Course | Lecturio

Okay, so moving on to the gastrointestinal system now. So first thinking about anatomical changes. Well, the stomach and the intestines are displaced by the enlarging uterus. And then there’s decreased tone of the lower esophageal sphincter. This is the reason woman in the 1st trimester specially. But again in the 3rd trimester experience with […]

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