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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Tonsilitis
Overview Tonsillitis is inflammation or infection of the tonsils. Tonsils are lymphoid tissues that are situated on both side of the throat. Generally, the palatine tonsil are referred to as "the tonsils". Tonsils: Collections of lymphoid tissue at the entrance to the pharynx, on either side of the uvula (the palatine tonsils). There are also…
View topic ↗Hyperthyroidism (Thyrotoxicosis)
Overview The most common cause of hyperthyroidism are Graves disease, multinodular goitre, an autonomously functioning thyroid nodule (adenoma) and subacute thyroiditis. Graves Disease is more common in women. Multinodular goitre is more common in the elderly. Graves disease typically manifests in middle aged women. Thyroid diseases are more common in women. Hyperthyroidism: denote conditions in which…
View topic ↗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…
View topic ↗Rhesus Hemolytic Disease
Overview The classic blood type is the ABO type and either Rh- or Rh+. Rh stands for the Rhesus antigen. If a person has the Rhesus antigen it means they are Rh+, and if they don't it is Rh-. The Rhesus System The most common Rhesus antigen is the Rhesus (D) antigen. However, it is…
View topic ↗Rhinosinusitis
Overview Rhinosinusitis is one of the more prevalent chronic illnesses worldwide, affecting individuals of all ages. It is an inflammatory process that involves the nose and paranasal sinuses. Rhinosinusitis may be acute or chronic. Chronic rhinosinusitis can be subject to acute exacerbations. Rhinitis: Irritation and inflammation of the mucosa lining the nasal cavity Sinusitis: Inflammation…
View topic ↗Glomerulonephritis
Overview Glomerulonephritis is inflammation of the glomerulus. Glomerulonephritis is classified by clinical syndrome/presentation (e.g. nephritic or nephrotic syndrome), histological appearance , or by aetiology. We will divide glomerulonephritis broadly into two broad types: Nephritic glomerulonephritis and nephrotic glormerulonephritis. Classification Two Types of Glomerular disease: Nephrotic Syndrome Nephritic Syndrome DIFFERENCE BETWEEN NEPHROTIC AND NEPHRITIS SYNDROME …
View topic ↗Breast Cancer
"A 35 Year old women presents with a 1cm hard lump in the upper quadrant of her right breast. She first noticed this when she was in the shower three months ago. She is worried that the lump might be malignant" Overview Breast cancer is the most common cancer in women worldwide. It accounts for…
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Hand-drawn explanations that build the big picture as the concept unfolds.
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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.
Immunology Innate Immunity (NOD Like Receptors)
Learn about NOD-Like Receptors (NLRs) in this immunology video, focusing on their role in detecting intracellular pathogens and initiating inflammatory responses. Ideal for exam prep, this video breaks down NLR types, inflammasome activation, and their significance in innate immunity.
Causes of Haematuria
Learn the key causes of haematuria, from urinary tract infections and kidney stones to glomerular diseases and malignancies. This video provides a clear overview to help you approach the evaluation and diagnosis of blood in the urine.
Understanding the Cervical Spine
Discover the essential structure and function of the cervical spine in this easy-to-understand, high-yield video. Learn about common cervical spine conditions, symptoms, and treatment options to help you better protect your neck and spine health. Perfect for students, patients, and anyone wanting a clear guide to cervical spine anatomy and care.
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.
Lambert-Eaton Myasthenic Syndrome
Overview Lambert–Eaton myasthenic syndrome (LEMS) is a rare autoimmune disorder of the presynaptic neuromuscular junction. It causes impaired acetylcholine release, producing the characteristic triad of proximal muscle weakness, reduced reflexes and autonomic dysfunction. LEMS may occur as a paraneoplastic syndrome—most commonly associated with small-cell lung cancer (SCLC)—or as a non-tumour-associated autoimmune disorder. Neuromuscular junction: connection…
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.