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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Atopic Dermatitis (Eczema)
Overview Atopic dermatitis is a chronic highly pruritic (itchy) inflammatory skin disease.Atopic dermatitis and eczema are often used synonymously. Atopic dermatitis primarily affect young children and is often associated with other atopic disorders, such as allergic rhinitis and asthma. The prevalence of atopic dermatitis has doubled or tripled in industrialised countries during the past three decades. Not…
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Chicken Pox (Varicella Zoster)
Overview Chickenpox (Varicella) is an acute, highly contagious primary viral infection caused by the Varicella-Zoster Virus (VZV) , a member of the Herpesviridae family. It is classically characterized by a generalized, intensely pruritic, polymorphic rash that progresses rapidly from macules and papules to clear "dewdrop-like" vesicles before crusting over. Although varicella is typically a mild,…
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Eosinophilic Granulomatosis with Polyangiitis
Overview EGPA (formerly Churg-Strauss syndrome) is a rare, small-to-medium vessel necrotizing vasculitis characterized by asthma, eosinophilia, and extravascular granulomas. It commonly affects the lungs, skin, peripheral nerves, and heart. Annual incidence: ~1–3 per million; peak onset in 40s–60s; no significant gender bias. Strongly associated with MPO-ANCA positivity in ~40–60% of patients; others are ANCA-negative. Eosinophilia…
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Thyroiditis
Overview Thyroiditis: Varied group of disorder all characterized by some form of thyroid inflammation Hyperthyroidism: denote conditions in which hyperfunction of the thyroid leads to thyrotoxicosis. Hypothyroidism: Variety of abnormalities that cause insufficient secretion of thyroid hormones. The most common cause is autoimmune thyroid disease Thyrotoxicosis: denotes the clinical, physiological, and biochemical findings that result…
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Hypertension
Overview Hypertension is defined as BP ≥140/90 mmHg. Hypertension can be divided into Primary or Secondary. The main goal of treatment is to decrease the risk of mortality and of cardiovascular and renal morbidity. Hypertension Overview Classification Systole Normal 120-129 High-normal 130-139 Hypertension Grade I 140-159 Hypertension Grade II 160-179 Hypertension Grade III >180 The mean arterial pressure…
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Systemic Sclerosis-Associated Interstitial Lung Disease
Overview Systemic sclerosis–associated interstitial lung disease (SSc-ILD) is one of the most common and severe internal organ manifestations of systemic sclerosis (SSc), occurring in up to 50–60% of patients on HRCT, with clinically significant disease in ~25–30%. It is a major cause of SSc-related mortality. The most frequent histopathological pattern is nonspecific interstitial pneumonia (NSIP),…
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Acute Compartment Syndrome
Overview The muscle groups of the human limbs are divided into section or compartments. Acute compartment syndrome (ACS) occurs when increased pressure within a compartment compromises circulation and function of tissues within that area. common sites of ACS is the leg and forearm. Acute compartment syndrome: A critical pressure increase within a confined compartmental space causing…
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What Is Appendicitis? Symptoms, Causes & Treatment Explained
Appendicitis is a common and potentially serious condition where the appendix becomes inflamed, often due to a blockage or infection. It typically presents with sudden pain starting around the belly button and shifting to the lower right abdomen, along with nausea, vomiting, loss of appetite, and fever. If left untreated, the appendix may rupture, leading…
Severe headaches – Understanding Trigeminal Autonomic Cephalgias – types, pathophysiology, treatment
Understand trigeminal autonomic cephalgias (TACs), a group of severe primary headaches that include cluster headache, paroxysmal hemicrania, and SUNCT/SUNA syndromes. This video explains their pathophysiology, distinguishing features, and current treatment approaches for effective symptom relief.
Salivary glands – Anatomy and Physiology
Learn the anatomy and physiology of the major salivary glands, including the parotid, submandibular, and sublingual glands. This video covers their structure, secretion pathways, and role in digestion and oral health.
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.
Cervical Radiculopathy
Overview Cervical radiculopathy is dysfunction of a cervical nerve root caused by irritation or compression as it leaves the spine. It commonly produces pain radiating from the neck into one arm, sometimes with paraesthesia, numbness, weakness or altered reflexes. A disc herniation or degenerative narrowing of the neural foramen is a common cause. Diagnosis 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.