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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Congenital Heart Defect
Overview Congenital heart disease (CHD) is the most common congenital disorder in newborns. Classification Acyanotic and Cyanotic Pulmonary blood flow Increased Decreased Normal Cyanotic (T's) Acynotic (D's) T etralogy of Fallot AS D T ransposition of the great vessles VS D T ricuspid atresia AVS D T runcus arteriosus Patent D uctus Arteriosus Other:…
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Sjögren’s-Associated Interstitial Lung Disease
Overview Sjögren’s-associated interstitial lung disease (Sjögren’s-ILD) is a significant extra-glandular manifestation of primary Sjögren’s disease (pSS), occurring in ~9–20% of patients clinically, with subclinical involvement detectable in up to 50% on HRCT. It may precede sicca symptoms or develop late in the disease course. The most common ILD pattern is nonspecific interstitial pneumonia (NSIP), followed…
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Liver Cirrhosis
Overview Cirrhosis is the advanced stage of chronic liver injury characterised by widespread fibrosis, regenerative nodules and distortion of normal hepatic architecture. This causes two major consequences: Portal hypertension Reduced hepatic function Cirrhosis may remain asymptomatic for years before progressing from a compensated to a decompensated stage. Compensated cirrhosis: cirrhosis without major clinical complications. Decompensated…
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Reactive Arthritis
Overview Reactive arthritis is a seronegative spondyloarthropathy that occurs after a genitourinary or gastrointestinal infection, typically presenting as an asymmetric oligoarthritis, often with associated conjunctivitis and urethritis (formerly Reiter’s syndrome). It most commonly affects young adults aged 20–40 and shows a strong association with HLA-B27. Incidence is estimated at 30–40 per 100,000, with higher rates…
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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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Asthma in Emergency
Introduction Most asthma deaths occur outside hospital and are: In patients with chronic severe disease In those receiving inadequate medical treatment In those who have been symptomatically deteriorating, and may have already sought medical help Associated with adverse behavioural and psychological factors Asthma Assessment Assess severity and start bronchodilators! Mild-Moderate (maybe admitted to hospital or…
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Paget's Disease of the Breast
Overview Paget's disease of the breast is a rare cutaneous manifestation of an underlying breast malignancy, accounting for approximately 1% to 4% of all breast cancers. It is characterized by the intraepithelial infiltration of adenocarcinoma cells (known as Paget cells) into the epidermis of the nipple-areolar complex. Over 85% to 95% of patients with Paget's…
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Immunology Map VI – Humoral Immunity
Learn how humoral immunity protects the body through the production of antibodies by B cells in response to extracellular pathogens. This video explains the activation, differentiation, and function of B cells and their role in long-term immune protection.
Plantar Fasciitis (Plantar Heel Pain): Causes, Diagnosis, Exercises & Evidence-Based Treatment
Relieve heel pain fast: learn what plantar fasciitis is, why it hurts, and proven treatments to get you walking pain-free. Plantar fasciitis, a common cause of sharp heel and arch pain, stems from repetitive strain and microtears in the plantar fascia—the fibrous band that supports your foot arch. In this video you’ll learn clear symptoms…
AVRNT (atrioventricular re-entry tachycardia) – causes, pathophysiology, treatment
Discover atrioventricular re-entry tachycardia (AVRNT), a common type of supraventricular tachycardia caused by abnormal electrical conduction within or near the AV node. This video explains its causes, re-entry circuit mechanism, clinical presentation, and treatment options including vagal maneuvers, medications, and ablation therapy.
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
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Aortic Aneurysm
Overview An aortic aneurysm is a pathological dilatation of the aorta caused by weakening of the arterial wall. It may involve the aortic root, ascending aorta, arch, descending thoracic aorta, thoracoabdominal aorta or abdominal aorta. Most aortic aneurysms are asymptomatic and are discovered incidentally or through screening. Progressive enlargement increases the risk of rupture, dissection,…
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.