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1.01: What is this course about?

WELCOME! I'm excited to learn with you!

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Objectives: After lesson one you will...

Have insight into the value of ultrasound technology in cosmetic medicine.
To appreciate the novel use of ultrasound imaging within aesthetic medicine and future directions for its application.
Appreciate the history of ultrasound
The past informs the future. Understanding where this technology came from, how it is used, and how we can utilize it to improve outcomes can inspire us.
Understand the various orientations of the images aquired under ultrasound
Having no concept of up, down, left, right, and so on makes viewing ultrasound images impossible. Here you'll learn about the various orientations used to acquire images, and how to interpret them spatially.
Appreciate how probe position changes image aquisition
You can change the type of ultrasound image you acquire by how you hold the probe on the skin. Upon completion of this lesson, the learner will be able to understand this concept.
Recognize what artifacts are
Ultrasound imaging creates artifacts that affect how images are interpreted. Understanding artifacts and why they appear is important for understanding anatomy visualized.
Understand the concept of doppler imaging
The use of ultrasound is excellent for observing dynamic movements of underlying anatomy. With this technology, we can visualize fluid flow, especially blood, which is crucial for injectable treatments.

Introductory discussion of ultrasound in aesthetics:

Sound Waves in Beauty: Ultrasound's Emerging Role in Aesthetics: Audio automatically transcribed by Sonix

Sound Waves in Beauty: Ultrasound's Emerging Role in Aesthetics: this m4a audio file was automatically transcribed by Sonix with the best speech-to-text algorithms. This transcript may contain errors.

All right. Welcome to Learn the Face and our course introducing ultrasound for aesthetic practice, and primarily we're talking about facial ultrasound. Now we're going to start right at the beginning. And we're going to discuss what this course is about. Now we're talking obviously about ultrasonography or ultrasound, and this is a non-invasive medical imaging technique that utilizes high-frequency sound waves to produce images of internal structures and tissues within the body. It works by essentially sending sound waves through the body and measuring the echoes that bounce back from these sound waves as they penetrate and then echo back from impacting tissues. The sound waves used in ultrasonography are at a frequency that is higher than the range of sounds that a human ear can hear. The waves are produced by a small device called a transducer, which is placed on the skin and moved over the imaged area. The sound waves are then transmitted to the body and, as I mentioned before, bounce back to the transducer where they are detected and then converted into an image we can see by a computer. Ultrasonography visualizes internal structures in organs commonly such as the heart, liver, kidneys, and uterus, and so on. It is commonly used within hospitals and in many different medical specialties for this reason, for instance, emergency physicians use ultrasound to quickly assess for blood in the abdomen when patients have experienced a trauma, such as a significant car accident or penetrating injury.

One of the advantages of ultrasonography is that it does not use ionizing radiation, such as that used in X-rays or CT scans, which can harm the body, particularly over time or with repeated scans. Therefore, ultrasonography is considered a safe imaging technique. It is a tool of choice when imaging pregnant women and young children. For this reason, despite its widespread use in many medical settings, ultrasonography has not traditionally been used in the field of medical aesthetics. Because of this, most injections have been performed blindly based on standardized anatomical approaches. When complications occur, they're often addressed in a non-targeted manner, which is generalized to an entire region of the face, rather than a focused manner targeting the exact area involved.

Furthermore, the anatomical structures of the face are also much smaller than those often visualized elsewhere in the body. We're talking about organs such as the kidneys, the liver, the lungs, and the heart, and so on. Therefore, to properly visualize, facial anatomy requires a specialized ultrasound device, and these devices have only recently become portable and economically feasible, facilitating their rapid adoption into the field of medical aesthetic practice. Interestingly, ultrasound technology is not new to medical aesthetics. In the past, it has been used primarily as an energy-based device for skin tightening, high-intensity focused ultrasound, which is different than the ultrasound that we'll be discussing in this course. It's still based on the same underlying physics is not used for imaging anatomy in this case I'm mentioning, but actually used to heat tissues in order to tighten the skin. The most popular device with this technology is the Ultherapy device.

The use of ultrasonography within aesthetic medicine to visualize and understand a patient's facial anatomy, and also understand any pathology that is present, is, however, becoming rapidly popular, and because of this, it makes injectable procedures safer and more targeted towards the patient and their goals. It also allows for complications to be more accurately and rapidly diagnosed and treated. It is likely, and in in my opinion, within the next decade, the use of ultrasonography within aesthetic practice will become a standard of care. I certainly believe, as an instructor of this course, that this is the direction that we should move in as a field and industry. A similar trend has been witnessed with ultrasound technology and many other medical specialties since the mid-1990s, and it is frequently used within medicine at the bedside, and I think it's exciting and encouraging that we are witnessing the beginning of such a trend within our own medical aesthetics field. So if you are ready to continue onwards, move on and we will delve deeper into this exciting technology and how you can utilize it at the bedside in your aesthetic practice.

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