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.
Clear visual explanations used by medical and allied-health learners around the world.
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Browse by subject or jump straight into the explanation you need. No account required.

Liver Mass I Tumour
Author Armando Faigl MBBS Areej zeeshan Overview Liver tumors are divided into Benign and Malignant. Most liver tumors are benign, asymptomatic and found incidentally on unrelated imaging. Malignant liver tumours are associated with risk factors (Hep C, Cirrhosis) and present with a spectrum of clinical signs and symptoms such as right upper quadrant pain and…
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Iron Deficiency Anaemia
Overview In the clinical setting, iron deficiency is the most common cause of anaemia. Iron Deficiency is lack of iron in the body resulting from inadequate iron intake, increased iron loss and increased iron demand which can lead to anaemia. Iron is an integral part of haemoglobin the oxygen carrying protein. Without iron, oxygen is unable to…
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Hyperlipidaemia
Overview Hyperlipidaemia is an umbrella term which encompasses genetic and acquired disorders that raise lipid levels within the blood. Hyperlipidaemia does not independently cause clinical symptoms, rather can lead to other disorders that can manifest in possible life-threatening presentations. Most notably, hyperlipidaemia causes atherosclerosis which may lead to cardiovascular, cerebrovascular, and peripheral vascular disease. 1…
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Liver Abscess
Author Areej Zeeshan Ahmed Dr. Armando Faigl (editor) Overview Collection of pus forming a mass in the liver as a result of infection. Mainly divided into two types Pyogenic Amoebic Route of infection Biliary tract (most common) Gallstones Cholangitis Congenital anomaly causing to bile stasis Portal Vein Peritonitis Hepatic artery Trauma Penetrating Non-penetrating can cause…
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Pertussis
Author Megan Miner Armando Faigl Overview Pertussis, also known as “whooping cough”, is a contagious, acute respiratory infection caused by the bacterium Bordetella pertussis. In babies, the infection can sometimes lead to pneumonia and occasionally brain damage and can even be life threatening. Older children and adults can get whooping cough and can spread it…
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Chagas Disease
Authors Megan Miner Armando Faigl Overview Chagas disease is caused by the parasitic protozoan Trypanosoma cruzi (T. cruzi) and is potentially life-threatening. These parasites often live within triatomine bugs. Following a bite to the skin, these bugs, also known as “kissing bugs”, deposit fecal matter near the site of the bite. Their bite, unfortunately, causes…
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Cushing's Disease
Overview Cushing's syndrome is an over arching term to describe hypercortisolaemia dependent of independent of ACTH. Cushing's disease is a ACTH dependent syndrome characterised by excess corticosteroid production from the adrenal glands. It is ACTH dependent because it is triggered by an ACTH-secreting pituitary tumour. Adrenal Cushing's syndrome is different because it is hypercortisolaemia independent…
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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.
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.

Osteoporosis (Part I)
Learn the fundamentals of Osteoporosis in Part I—covering its pathophysiology, risk factors, and the role of bone remodeling. Perfect for medical students and healthcare professionals seeking a clear, exam-focused breakdown of this common metabolic bone disease.

Laser
Learn how lasers work by exploring the principles of light amplification, stimulated emission, and energy transitions in atoms. This video explains the basic components, types, and applications of lasers in science and technology. My understanding of Laser from studying Medical Physics Please Comment and provide feedback:)

Spleen Anatomy and Physiology
Learn about the spleen's anatomy, blood supply, and role in immune surveillance and red blood cell recycling. This video provides a concise overview of spleen physiology, including its functions in both health and disease.
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.
“The notes I make during his videos help me retain everything better.
“The drawings are amazing and super easy to remember.
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.



