For Professionals

Have you ever looked at a visual patient clue - a rash, a lesion, a possible drug reaction - and wondered, What is this? What am I looking at? Understanding the skin, skin conditions, and rashes can be complex. Skinsight is authored by the same team that has developed VisualDx. Let our experts help to improve your skills and understanding of skin conditions.

Clinical Decision Support

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VisualDx is an award-winning diagnostic clinical decision support system designed to enhance diagnostic accuracy, aid therapeutic decisions, and improve patient safety. 

With VisualDx, health care professionals can:

  • Access tens of thousands of  the world’s best medical images.
  • Search thousands of adult and pediatric conditions.
  • Build a patient-specific visual differential diagnosis in seconds.
  • Share decision-making with patients by providing patient handout material that includes images and disease information.

View the VisualDx Diagnosis List
See sample Differentials within VisualDx

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Educational Tools

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Free dermatology education resources: Fine-tune your dermatology terminology and test your visual diagnostic skills with this free online tutorial. Five lessons include material in every area of the dermatology fundamentals as well as self-paced tests.

Coming Soon: LearnDerm Lecture for Educators

  • Five lessons covering every area of the dermatology fundamentals
  • Breakdown each lesson into separate lectures
  • Quiz and answer functionality

Rash & Rashes

Part 1 | Rash, Rashes, and the Art of Skin Diagnosis

Self-paced online dermatology course The word “rash” or “skin rash” is used quite frequently to describe a variety of skin conditions. Rash is a generic term however and most people use the word rash to mean an eruption of skin lesions that covers areas of skin. In contrast, a single small lesion, like a pimple, mole, tumor, or growth, is not usually called a rash. Properly diagnosing and treating a skin condition requires a more detailed understanding of the true cause of the condition. In most situations simply using the term “skin rash” is not adequate. The art and science of figuring out the cause of a rash involve determining its time course and features and specifically describing the type, shape, arrangement, distribution, size, color, and other features of the skin lesions using standard medical vocabulary. The field of dermatology has a well-established terminology for describing skin lesions. These descriptive terms facilitate the diagnostic process because many diseases have distinctive features that fall into recognizable categories. This course is designed to: Introduce students of all backgrounds to the key terms and clinical concepts of dermatology. Provide an introduction to the top list of dermatology conditions with which all students and clinicians should be familiar. Increase exposure to building a robust differential based on the specific findings of a patient.The final sections of this course are design to work as a companion with VisualDx -- the leading dermatologic decision support system. If you or your institution has access to VisualDx, simply log in to take advantage of this interactive content. A free trial is also available for those who are new to the system. Rash diagnosis in action: A patient has tiny fluid-filled blisters (vesicles). A list of diseases that can cause vesicles, such as cold sores caused by the herpes simplex virus, should come to mind. The addition of details such as the location, color, shape, and distribution – for example, “on the right mid-trunk, there are small, grouped vesicles in a band-like or dermatomal distribution” – would narrow the diagnostic possibilities and immediately suggest the diagnosis of shingles (herpes zoster).Clinical images from VisualDx of skin rash location, distribution, and morphology. Part 2: Observing the Skin

Part 4 | Differential Diagnosis of an Unusual Rash

If you can accurately describe a rash and have taken a basic patient history, you are very close to a diagnosis. While the “common lists” can serve as a foundational dermatology curriculum for medical student education and help with common disease diagnosis, arriving at a diagnosis when a patient presents with an unusual rash and a complex medical history can be challenging. Case Study Consider a 28-year-old patient who has recently returned from work with the Peace Corps in Haiti and is presenting with widespread, blanching macules and a prominent fever.If you are medical student or resident at an institution with access to VisualDx, click here to log in or use a 15-day free trial to build your differential diagnosis within the Fever and Rash module, now that you are an expert in the language of dermatology. (See below for the findings entry search sequence for the example above.) Search I:  Differential diagnosis of blanching macules in a patient with fever (using VisualDx) Search 2: Differential diagnosis where a widespread distribution of macules is considered (using VisualDx)Search 3: Differential diagnosis of blanching macules, widespread distribution, and arthralgias (using VisualDx)Search 4: Differential diagnosis of blanching macules, widespread distribution, arthralgias, and travel to Haiti (using VisualDx) For Patients:To understand the differential diagnostic process by using an age and body location diagnostic approach, try the Rash Skin Condition Finder. Part 5: Common and Serious Dermatologic Conditions