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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Obstructive Sleep Apnoea
Overview Sleep apnea syndrome is an extremely common medical disorder associated with important morbidity. Sleep Apnea and can be classified as: Obstructive Sleep Apnea – is the most common, characterized by repetitive, intermittent collapse of the upper (pharyngeal) airway during sleep, which causes apnoeic episodes terminated by partial arousal Central Sleep Apnea - characterised by repetitive absent or diminished…
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Gastroenteritis (Infectious Diarrhoea)
Overview Gastroenteritis continues to cause significant morbidity in developed and developing countries. The most common cause are viral and bacterial including: Norovirus Enteric adenoviruses E-coli Salmonella spp. and Shigella spp. Campylobater jejuni Diarrhoea: Loose, water like stools that occur with increased frequency and an increased volume of >200g per day Gastroenteritis: >3 or more loose…
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Acute Lymphoblastic Leukaemia
Overview Acute Lymphoblastic Leukaemia (ALL) is a malignancy of lymphoid cells. The two main ALL is T-cells ALL and B-cells ALL. In ALL there is uncontrolled proliferation of immature lymphoblasts in the bone marrow leading to overcrowding affecting other cell lineage. It is the commonest cancer in childhood, rare in adults and has a strong associated with…
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Chronic Spontaneous Urticaria +/- angioedema
Overview Chronic spontaneous urticaria (CSU) is a mast-cell–driven skin disorder defined by recurrent wheals (hives), angioedema, or both for >6 weeks without a specific external trigger , with a point prevalence around 0.5–1% and a female predominance; median disease duration is ~2–5 years, but a subset persists longer and markedly impairs quality of life and…
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Diabetes Insipidus
56 year old lady recurrent presentations to your practice for polyuria and increased thirst. Random serum glucose and urinary glucose have returned normal. Patient has otherwise been well, complains of no dysuria, haematuria, fevers or night sweats . Overview Diabetes Insipidus (DI) is associated with inadequate arginine vasopressin (known as antidiuretic hormone) secretion or renal…
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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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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 +/-…
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Microscopy Explained | Light, Phase Contrast, Fluorescence & Electron Microscopy
Discover how microscopes reveal the hidden microbial world—light, fluorescent, and electron microscopy explained with practical applications and diagnostic value. In this clear, engaging video you'll learn how magnification and resolution work, why staining and contrast techniques make bacteria visible, and which microscopy methods suit specific tasks: bright-field for basic morphology and gram stains; dark-field for…
NSAIDs mechanism – COX, prostaglandins & pain pathway
Explore the pharmacology of Nonsteroidal Anti-Inflammatory Drugs (NSAIDs), including their mechanisms of action, therapeutic uses, and common side effects. This video highlights how NSAIDs reduce inflammation, pain, and fever while addressing potential risks and contraindications.
Cell Cycle (Mitosis)
Explore the process of mitosis, where a single cell divides to produce two genetically identical daughter cells. This video breaks down each phase—prophase, metaphase, anaphase, and telophase—and explains how chromosomes are accurately separated.
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.
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New and worth a look
Keep building the picture.
Acute Coronary Syndrome: Myocardial infarction (STEMI, NSTEMI)
Overview Acute coronary syndrome (ACS) describes acute myocardial ischaemia caused by an abrupt reduction in coronary blood flow. It includes myocardial infarction (MI) and unstable angina and is a time-critical medical emergency. This article focuses on ST-segment elevation myocardial infarction (STEMI) and non-ST-segment elevation myocardial infarction (NSTEMI). 1 Myocardial infarction is diagnosed when there is…
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.