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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Chronic Kidney Disease
Overview CKD is responsible for a substantial burden of illness and premature death. The kidneys are basically not working as good. Always assume a ↓ eGFR represents acute kidney injury until proven otherwise. Acute Kidney Injury: Rapid reduction in kidney function over hours to days, as measured by serum urea and creatinine and leading to a…
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Brain Tumour
Overview Brain tumours: refers to a mixed group of neoplasms originating from intracranial tissues and the meninges with degrees of malignancy ranging from benign to aggressive. Classification WHO Classification of Primary Brain Tumors Neuroepithelial tumors Astrocytic tumors Oligodendroglial tumors Oligoastrocytic tumors Ependymal tumors Choroid plexus tumors Neuronal and mixed neuronal-glial tumors Pineal tumors Embryonal tumors…
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Pernicious Anaemia
Overview Pernicious Anaemia is a condition where there is lack of intrisinc factor, a glycoprotein responsible for the absorption of Vitamin B12. Vitamin B12 (Cobalamin) is an essential vitamin responsible for many physiological process in our body. Vitamin B12 deficiency causes megaloblastic anaemia and maybe accompanied by neurological abnormalities. Aetiology Pernicious Anaemia is associated with…
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Hyper-IgE Syndrome (Job’s Syndrome)
Overview Hyper-IgE syndrome (HIES) is a rare primary immunodeficiency characterised by markedly elevated serum IgE, recurrent staphylococcal skin and lung infections, eczema, and connective tissue/ skeletal abnormalities. Most commonly caused by autosomal dominant mutations in STAT3 , it results in impaired Th17 cell differentiation and defective neutrophil chemotaxis. Autosomal recessive forms (DOCK8, TYK2 mutations) present…
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Substance Dependence (Addiction), Withdrawal and Overdose
Overview of addition medicine. This section is a brief introduction to substance abuse, followed by section that look at specific drugs of addiction. Substance Misuse: Consumption above designated low risk levels Substance Abuse: repetitive substance use resulting in social complications (financial, occupational and legal) Substance Tolerance: Defined by either of the following: a need for…
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Major Depressive Disorder
DSM V categorise these as seperate disorders Depressive disorders Bipolar disorders Anxiety disorders Depressive Disorders Major depressive disorder Other depressive disorder Persistent Depressive Disorder Substance/medication induced depression disorder Depressive disorder due to another medical condition Overview Depressive disorders are typically characterised by persistent low mood, loss of interest and enjoyment, neurovegetative disturbance, and reduced energy,…
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Snapping Hip Syndrome (Coxa Saltans)
Overview Snapping Hip Syndrome (SHS) is characterized by an audible or palpable “snap” around the hip during motion; it may be painless or painful and can be unilateral or bilateral. Prevalence estimates suggest up to ~5–10% of the general population may experience snapping to some degree, with higher rates in dancers and athletes who work…
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Pharmacology – Chemotherapy agents (MOA, Alkalating, antimetabolites, topoisomerase, antimitotic)
Explore the mechanisms of action of key chemotherapy agents, including alkylating agents, antimetabolites, topoisomerase inhibitors, and antimitotic drugs. This video provides a concise pharmacology breakdown to support understanding of cancer treatment strategies.
Introduction to Upper and Lower Motor Neuron Lesions
Explore the key differences between upper and lower motor neuron lesions, including their causes, clinical signs, and diagnostic features. This video provides a clear overview of motor pathway damage and its impact on muscle tone, reflexes, and coordination.
Superior vena cava and azygos system – clinical anatomy
Explore the clinical anatomy of the superior vena cava and azygos system, focusing on their roles in venous return to the heart. This video also explains the causes, signs, and collateral pathways involved in superior vena cava obstruction, a critical oncologic emergency.
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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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 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.