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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Bipolar Disorder
Overview Bipolar disorder, previously termed manic depression, is a psychiatric diagnosis characterised by abnormally elevated or irritable mood episode(s) accompanied by disruptive symptoms of distractibility, indiscretions, grandiosity, flight of ideas, hyperactivity, decreased need for sleep, and talkativeness. It is well known that bipolar disorder carries with it high mortality and morbidity rates. The lifetime risk…
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Critical Limb Ischaemia
Overview Critical limb ischaemia (CLI) represents grade III and IV chronic limb ischaemia (based on the Fontaine classification). It presents with rest pain, breakdown of skin and inability to heal an injury, which can lead to infection or gangrene. If left untreated it may be necessary to amputate the affected limb. CLI develops in 1%…
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Interstitial Lung Disease
Overview Interstitial Lung Disease is also known as Diffuse Parenchymal Lung Disease (DPLD). A Heterogeneous collection of restrictive lung conditions (>100) that primarily (or at least initially) disrupt the pulmonary interstitium. Interstitial Lung Disease (ILD) are grouped together as they share similar pathophysiological mechanisms, clinical features and radiological findings. Pulmonary Interstitium: Intervening structural tissue between the alveoli space and pulmonary…
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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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Antiphospholipid Syndrome (APS)
Overview Antiphospholipid Syndrome (APS) is an acquired autoimmune thrombophilia characterized by recurrent venous or arterial thromboses and/or pregnancy morbidity in the presence of persistent antiphospholipid antibodies (aPL). APS may occur as a primary condition or secondary to systemic lupus erythematosus (SLE). Prevalence of aPL in the general population is ~2%, but true APS is rare…
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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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Hand-drawn explanations that build the big picture as the concept unfolds.
Notes
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.
Heart failure with preserved ejection fraction – pathophysiology and management
Reproductive System – Overview
Explore the structure and function of the male and female reproductive systems, including key organs and hormonal regulation. This video provides a clear overview to help you understand the fundamentals of human reproduction and its physiological processes.
Nephrotic Syndrome – Types and pathology (histology)
Learn about Nephrotic Syndrome, its key types (minimal change disease, FSGS, membranous nephropathy) and underlying histopathological changes. This video simplifies the complex renal pathology for a clear clinical and academic understanding.
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
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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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Femoroacetabular Impingement Syndrome
Overview Femoroacetabular impingement syndrome (FAIS) is a motion-related clinical disorder of the hip in which symptoms and clinical signs occur in association with characteristic femoral and/or acetabular morphology. The accepted diagnostic concept is a triad of symptoms, clinical signs and imaging findings ; bone morphology alone does not establish the syndrome. Patients commonly present with…
View this topic ↗Deep Neck Infection Causes, specific syndromes and symptoms, Complications & TreatmentExtensor Tendon Anatomy & Injuries Explained | Zones, Clinical features and examinationApoptosis – internal and external pathwaysMCL Knee Tear Explained Symptoms, Grades and TreatmentPharmacodynamics Explained Agonists, Antagonists, Efficacy & AffinityFlexor Tendon Injury & Anatomy Explained Zones, Anatomy, Diagnosis & Treatment
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.