Visual explanationFree resource
Visual medical education by Armando Hasudungan
Medical science, drawn into focus.
Explore visual explanations that reveal how the facts, processes and clinical patterns fit together—then discover the coming AH study platform, built to guide what you study next and check what stuck.
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Clear visual explanations used by medical and allied-health learners around the world.
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Acne
Overview Acne vulgaris is a chronic inflammatory disease of the pilosebaceous units, most commonly involving the face, neck, chest, and back. It is characterized by the formation of comedones, papules, pustules, nodules, and, in severe cases, deep scars. While classically viewed as a rite of passage during adolescence, acne can persist into or present for…
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Chronic Recurrent Multifocal Osteomyelitis
Overview Chronic Recurrent Multifocal Osteomyelitis (CRMO), also referred to as Chronic Non-bacterial Osteomyelitis (CNO), is a rare, autoinflammatory bone disease primarily affecting children and adolescents. It is characterized by sterile, non-infectious, inflammatory bone lesions that follow a chronic, waxing-and-waning clinical course. The disease results from an innate immune dysregulation featuring unbalanced pro-inflammatory cytokine production, leading…
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Acute Compartment Syndrome
Overview The muscle groups of the human limbs are divided into section or compartments. Acute compartment syndrome (ACS) occurs when increased pressure within a compartment compromises circulation and function of tissues within that area. common sites of ACS is the leg and forearm. Acute compartment syndrome: A critical pressure increase within a confined compartmental space causing…
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Cerebral Aneurysm
Overview Cerebral (Intracranial) aneurysm is a focal dilation of an intracranial artery due to weakness of the arterial wall. It occurs in roughly 1-5% of adults and can lead to permanent disability. The most common type is a saccular “berry” aneurysm. Most common location is anterior communicating artery. Cerebral aneurysms are typically asymptomatic until rupture,…
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Personality Disorders
Quotes “I'm so good at beginnings, but in the end I always seem to destroy everything, including myself.” ― Kiera Van Gelder “I need them to be aware and present with me in the midst of the storm, not just tell me what to do.” ― Kiera Van Gelder Overview The term ‘personality disorder’ is frequently…
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Anal Abscess
Overview Anorectal abscess is an infection of soft tissue around the anus. It causes severe perianal pain and swelling. 30% to 70% of anorectal abscesses are associated with an anorectal fistula. It is two times more likely to present in males. 1 2 Anal Abscess Anorectal abscess: collection of pus in anorectal spaces resulting from…
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Tonsilitis
Overview Tonsillitis is an acute inflammation of the palatine tonsils, which form part of Waldeyer's mucosal-associated lymphoid ring at the entrance of the upper aerodigestive tract. It is one of the most common infectious presentations in pediatric and young adult populations, presenting as a spectrum from mild viral pharyngitis to severe bacterial infection with life-threatening…
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Browse all topics ↗Choose how you learn
One idea. More than one way to see it.
Use the format that helps the topic click, then switch formats when you need to reinforce it.
01 / WATCH02 / READ03 / SEE04 / CHECK
Videos
Hand-drawn explanations that build the big picture as the concept unfolds.
Notes
Clear written explanations for review, reference and filling in the details.
Diagrams
Visual snapshots that help you easily review topics.
Questions
Test whether the explanation stayed with you—not just whether it looked familiar.
Good places to begin
Explanations learners return to.
Anatomy – Cranial Nerves and the Skull
Explore the anatomy of the cranial nerves and their pathways through the skull, including key foramina and clinical correlations. This video provides a clear visual guide to understanding nerve functions and their anatomical landmarks.
Immunology Map IV – Innate Immune response I
Learn how the innate immune system provides the body's first line of defense through physical barriers, immune cells, and rapid responses to pathogens. This video covers key players like macrophages, neutrophils, and pattern recognition receptors involved in early immune activation.
Epithelial cells
Learn about epithelial cells, their various types, and the roles they play in protection, absorption, secretion, and sensation across body surfaces. This video explains their structural characteristics, classification, and locations in different tissues and organs.
Our mission
Medical science is complex. Understanding it should feel possible.
Armando Hasudungan turns difficult medical science into clear visual explanations and connected learning experiences—so learners can see the whole picture, remember what matters and find a clearer way forward.
See it clearly
Turn abstract processes and invisible relationships into something the learner can picture.
Connect the pieces
Build understanding around how concepts fit together—not a pile of isolated facts.
Make it useful
Help learners move from explanation to recall, revision and the next logical step.
What clarity feels like
When the topic stops being a blur.
Learners do not come back because the subject became easy. They come back because the explanation gave them a picture they could work with.
“Armando's teaching style gives me the foundational knowledge.
Jessica Payne-Burnett
Medical Student, Charles Sturt University
“The notes I make during his videos help me retain everything better.
Ayesha RaiStudent, Islamabad Medical and Dental College
“The drawings are amazing and super easy to remember.
Reem Mohamed Khair Abdalrazig
Student, Neelain University
Coming soon: the AH study platform
The explanation is only the start.
The free library helps you find a clear explanation. The AH platform is being built to help you connect the resources, follow a clearer path and check what actually stuck.
- Watch in a focused, ad-free study environment.
- Move between connected videos, notes, diagrams and questions.
- Know what belongs next instead of rebuilding the study path yourself.
- Test your understanding while the topic is still fresh.
New and worth a look
Keep building the picture.
Juvenile Idiopathic Arthritis (JIA)
Overview Juvenile Idiopathic Arthritis (JIA) is an umbrella term encompassing a heterogeneous group of chronic inflammatory arthritides of unknown etiology presenting in children under 16 years of age. It represents the most common chronic pediatric rheumatic disease, with an estimated prevalence of 1 in 1,000 children. To meet the diagnostic criteria, arthritis must persist for…
View this topic ↗About Visualising Medicine
Good education does not remove complexity. It makes complexity feel simple.
Visualising Medicine is the team behind Armando Hasudungan. We bring together medicine, illustration, writing and technology to make difficult ideas clearer—and build better ways for learners to use them.