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.
Connected studyComing soon
Clear visual explanations used by medical and allied-health learners around the world.
Explore the free library
Start with the topic in front of you.
Browse by subject or jump straight into the explanation you need. No account required.
Lung Cancer
Overview Lung cancer is a malignant tumour arising from cells within the lungs or bronchi. Two main groups: Non-small cell lung cancer (NSCLC): approximately 85% Adenocarcinoma Squamous cell carcinoma Large-cell carcinoma Small cell lung cancer (SCLC): approximately 15% More aggressive, with early nodal and distant metastasis . Lung cancer is the leading cause of cancer…
View topic ↗
Toxic Multinodular Goitre
Overview Toxic Multinodular Goitre (TMNG) is the second most common cause of hyperthyroidism caused by a long-standing goitre and/or iodine deficiency which results in an increased risk of mutation and consequent TSH-independent autonomic function of thyroid nodules to produce excess thyroid hormones. Common clinical manifestations include hyperthyroidism and a painless thyroid goitre with palpable nodules.…
View topic ↗
Pyoderma Gangrenosum
Overview Pyoderma gangrenosum (PG) is a rare, severe, non-infectious inflammatory cutaneous disease belonging to the group of neutrophilic dermatoses . Despite its name, it is neither an infectious pyoderma nor a primary gangrenous necrosis; rather, it is driven by dysregulated innate immune activation leading to dermal neutrophilic infiltration and tissue destruction. Characterized by rapidly expanding,…
View topic ↗
Tuberculosis
Overview Tuberculosis (TB) is a chronic, communicable infectious disease caused by the acid-fast bacillus Mycobacterium tuberculosis . It primarily affects the pulmonary parenchyma but possesses the capacity to disseminate to virtually any organ system via hematogenous and lymphatic spread. TB remains one of the leading infectious causes of mortality worldwide, representing a major global public…
View topic ↗
Paediatric Orthopaedics Overview
Osteochondroses Osteochondroses is a condition that affects the epiphysis of bones. Pathology consists of localised area of ischaemic bone necrosis and oedema of adjacent soft tissue. Osteochondroses result in avascular necrosis of the epiphyseal bone, similar to Perthes disease, but less common. In general osteochondroses is more troublesome than serious. Age effects usually 10-15 +/-…
View topic ↗
Developmental Hip Dysplasia
Overview Developmental Dyplasia of the hip (DDH) is previously known as congenital dislocation of the hip (however name changed as some of the hip problems develop after birth). Spectrum of condition related to development of the hip in infants and young children. Includes abnormal development of the acetabulum and proximal femur + mechanical instability of the hip joint. Usually involves…
View topic ↗
Bowel Obstruction
Overview Bowel obstruction is a blockage of intestinal contents, either mechanical (e.g., adhesions, hernias, malignancy) or functional (e.g., ileus), leading to impaired transit, proximal dilation, and downstream complications including ischaemia and perforation if untreated. Key features of bowel obstruction include colicky abdominal pain, distension, nausea with bilious or faeculent vomiting, obstipation, initially high-pitched then absent…
View topic ↗Full resource library
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.
Nervous System – Resting Membrane Potential
Understand the resting membrane potential and how ion gradients and membrane permeability maintain electrical balance in neurons. This high-yield video is essential for grasping nerve physiology in exams like the USMLE, NCLEX, or NEET.
Inflammatory Bowel Disease (Overview, Crohn's and Ulcerative Colitis)
This video explains Inflammatory Bowel Disease (IBD), highlighting the key differences between Crohn’s disease and Ulcerative Colitis in terms of pathology, symptoms, and affected areas. Learn about their causes, complications, and current treatment strategies.
Insulin and Glucagon Overview
Understand the opposing roles of insulin and glucagon in regulating blood glucose levels, energy storage, and metabolic balance. This educational video explains their mechanisms of action, hormonal control during fed and fasting states, and clinical relevance in diabetes and endocrine physiology.
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.
Chronic inflammatory demyelinating polyneuropathy (CIDP)
Overview Chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) is an acquired immune-mediated disorder of peripheral nerves and nerve roots, causing demyelination, impaired nerve conduction, weakness, sensory disturbance and reduced or absent reflexes. Typical CIDP causes progressive or relapsing symmetrical proximal and distal weakness with sensory loss developing over at least 8 weeks . This time course helps…
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.