🩺

Clinical Presentations

Start with the symptom. 50 presentations mapped to MLA domains.

Chest Pain

Chest pain is a high-stakes clinical presentation requiring rapid differentiation between life-threa…

Differentials: Acute Coronary Syndrome (STEMI, NSTEMI, Unstable Angina), Pulmonary Embolism, Ao
MLA
Shortness of Breath

Dyspnoea results from a mismatch between ventilatory demand and capacity. Acute management focuses o…

Differentials: Acute: Pulmonary Edema, Asthma/COPD exacerbation, PE, Pneumonia, Pneumothorax. C
MLA
Palpitations

Palpitations are common and often benign, but require thorough investigation if associated with sync…

Differentials: Premature Atrial/Ventricular Contractions (ectopics), Atrial Fibrillation/Flutte
MLA
Syncope

Syncope is a transient loss of consciousness due to reduced cerebral blood flow. Differentiating bet…

Differentials: Vasovagal Syncope (Situational/Emotional), Orthostatic Hypotension, Cardiac Arrh
MLA
Peripheral Oedema

Peripheral oedema involves fluid retention in the tissues. Unilateral causes (DVT) require urgent ex…

Differentials: Bilateral: Heart Failure, Chronic Venous Insufficiency, Renal Failure (Nephrotic
MLA
Abdominal Pain

A versatile clinical presentation ranging from minor dyspepsia to life-threatening perforation or is…

Differentials: Acute Appendicitis, Biliary Colic/Cholecystitis, Acute Pancreatitis, Diverticuli
MLA
Upper GI Bleeding

A critical emergency presenting with haematemesis or melaena, managed via the Blatchford score, aggr…

Differentials: Peptic Ulcer Disease (duodenal or gastric), Oesophageal Varices, Mallory-Weiss T
MLA
Lower GI Bleeding

Bleeding distal to the Treitz ligament, commonly caused by diverticula or malignancy, requiring risk…

Differentials: Diverticular Haemorrhage, Colorectal Carcinoma, Haemorrhoids, Inflammatory Bowel
MLA
Jaundice

A symptom of elevated bilirubin requiring systematic classification into pre-, intra-, or post-hepat…

Differentials: Gallstones (Choledocholithiasis), Pancreatic Carcinoma, Viral Hepatitis, Alcohol
MLA
Dysphagia

Difficulty swallowing that necessitates urgent '2-week wait' OGD to rule out malignancy, especially …

Differentials: Oesophageal Carcinoma, Oesophageal Stricture (peptic), Achalasia, Diffuse Oesoph
MLA
Unintentional Weight Loss

A complex, multi-factorial presentation requiring a systematic approach to exclude malignancy, chron…

Differentials: Malignancy (GI, lung, lymphomas); Endocrine (Hyperthyroidism, Diabetes Mellitus,
MLA
Haematuria

The presence of red cells in the urine necessitating a systematic workup to exclude cancer, stones, …

Differentials: Urinary Tract Infection (UTI); Urothelial Malignancy (Bladder or Renal Cell Carc
MLA
Proteinuria

An essential marker of kidney damage or systemic disease, ranging from benign transient leakage to s…

Differentials: Diabetic Nephropathy; Minimal Change Disease (common in children); Focal Segment
MLA
Acute Kidney Injury

A common clinical syndrome of rapid renal decline requiring urgent identification of the cause and a…

Differentials: Pre-renal (Hypovolaemia, Sepsis, Heart failure); Intrinsic (Acute Tubular Necros
MLA
Polyuria

The production of excessive volumes of urine, necessitating a clear distinction between osmotic diur…

Differentials: Diabetes Mellitus (most common); Cranial Diabetes Insipidus (ADH deficiency); Ne
MLA
Headache

A common presenting symptom requiring the differentiation between benign primary disorders and serio…

Differentials: Subarachnoid Haemorrhage (SAH), Migraine, Tension-type headache, Cluster headach
MLA
Seizure

A transient neurological event requiring careful differentiation from syncope and the identification…

Differentials: Vasovagal Syncope, Cardiac Syncope (e.g., arrhythmias), Psychogenic Non-Epilepti
MLA
Acute Limb Weakness

A medical emergency requiring rapid localisation (central vs peripheral) and urgent imaging to facil…

Differentials: Ischaemic or Haemorrhagic Stroke, Spinal Cord Compression (e.g., malignancy, abs
MLA
Acute Confusion

A fluctuating syndrome of impaired awareness and cognition, usually secondary to underlying physical…

Differentials: Delirium (due to infection, drugs, etc.), Dementia (chronic progression, but can
MLA
Vertigo

A symptom of vestibular dysfunction where history (timing/triggers) and clinical manoeuvres (HINTS/D…

Differentials: Benign Paroxysmal Positional Vertigo (BPPV), Vestibular Neuronitis, Labyrinthiti
MLA
Sudden Visual Loss

Sudden visual loss requires rapid triage to distinguish between vascular (CRAO/CRVO), mechanical (re…

Differentials: Central Retinal Artery Occlusion (CRAO), Central Retinal Vein Occlusion (CRVO),
MLA
Speech Disturbance

Speech disturbances are often the sentinel sign of a stroke. Distinguishing between Broca’s (express…

Differentials: Ischaemic Stroke, Haemorrhagic Stroke, Transient Ischaemic Attack (TIA), Brain T
MLA
Back Pain

Back pain is mostly mechanical but requires vigilant screening for Cauda Equina Syndrome and maligna…

Differentials: Mechanical Back Pain, Lumbar Disc Herniation, Spinal Stenosis, Ankylosing Spondy
MLA
Hot Swollen Joint

Any acute monoarthritis must be treated as septic arthritis until proven otherwise. Joint aspiration…

Differentials: Septic Arthritis, Gout, Pseudogout (CPPD), Reactive Arthritis, Haemarthrosis, Rh
MLA
Fever of Unknown Origin

FUO requires a methodical search for infection, malignancy, or autoimmune disease. After basic blood…

Differentials: Infectious (Abscess, TB, Endocarditis), Malignant (Lymphoma, RCC), Inflammatory
MLA
Generalised Rash

A widespread skin eruption requiring systematic assessment of morphology, medication history, and mu…

Differentials: Viral exanthem (e.g., Measles, Rubella, Parvovirus B19), Drug eruptions (Morbill
MLA
Pruritus

The sensation of itch can stem from primary skin disease or systemic illness; a lack of an associate…

Differentials: Dermatological (Eczema, Psoriasis, Scabies, Lichen Planus, Bullous Pemphigoid),
MLA
Red Eye

A common ophthalmic presentation ranging from benign conjunctivitis to sight-threatening glaucoma; d…

Differentials: Conjunctivitis (Bacterial, Viral, Allergic), Episcleritis, Scleritis, Anterior U
MLA
Neck Lump

Evaluation of a neck lump focuses on patient age and chronicity; while often reactive in the young, …

Differentials: Lymphadenopathy (Reactive, Lymphoma, Metastatic), Thyroid nodules/Goitre, Saliva
MLA
Sore Throat

Commonly viral and self-limiting, sore throat management relies on clinical scoring (Centor/FeverPAI…

Differentials: Viral pharyngitis (Rhinovirus, Adenovirus), Group A Strep (GABHS), Infectious Mo
MLA
Hoarseness

Hoarseness is a key symptom of laryngeal pathology. While frequently caused by infections or reflux,…

Differentials: Common causes include viral laryngitis, voice misuse (leading to vocal nodules),
MLA
Post-menopausal PV Bleeding

PMB is a cardinal sign of endometrial malignancy and requires urgent specialist referral via the 2-w…

Differentials: The most common cause is atrophic vaginitis or endometrial atrophy. Other causes
MLA
Secondary Amenorrhoea

Secondary amenorrhoea is common and often related to PCOS, stress, or weight changes. Pregnancy must…

Differentials: Polycystic Ovary Syndrome (PCOS) is the leading cause. Hypothalamic causes inclu
MLA
Pelvic Pain

Pelvic pain requires a systematic approach to rule out emergencies like ectopic pregnancy and ovaria…

Differentials: Gynaecological: Ectopic pregnancy, Pelvic Inflammatory Disease (PID), ovarian cy
MLA
Acute Scrotal Pain

Acute scrotal pain must be treated as testicular torsion until proven otherwise. Torsion presents wi…

Differentials: The most critical differential is testicular torsion. Others include epididymo-o
MLA
Low Mood

A presentation consisting of triad of low mood, anhedonia, and anaergia, managed via a stepped-care …

Differentials: Adjustment disorder, Bipolar affective disorder, Hypothyroidism, Dysthymia (pers
MLA
Acute Psychosis

A state of detached reality featuring hallucinations and delusions, requiring urgent assessment for …

Differentials: Schizophrenia, Schizoaffective disorder, Drug-induced psychosis, Delirium, Bipol
MLA
Cognitive Decline

Progressive loss of cognitive function affecting daily life, requiring exclusion of reversible cause…

Differentials: Alzheimer’s disease, Vascular dementia, Dementia with Lewy Bodies (DLB), Frontot
MLA
Self Harm

Intentional self-injury or poisoning, requiring immediate physical stabilisation and a comprehensive…

Differentials: Suicide attempt (high intent), Self-harm with low suicidal intent (emotional reg
MLA
Insomnia

Difficulty falling or staying asleep with daytime consequences, managed primarily with CBT-I and sle…

Differentials: Obstructive Sleep Apnoea (OSA), Restless Legs Syndrome, Anxiety/Depression, Poor
MLA
Cough

Cough is a vital reflex classified as acute, subacute, or chronic; diagnosis relies on duration, ass…

Differentials: Lower Respiratory Tract Infection (LRTI), Asthma, COPD/Exacerbation, Gastro-oeso
MLA
Haemoptysis

Haemoptysis is the coughing up of blood; it requires urgent investigation via CXR and potentially CT…

Differentials: Lung Cancer, Bronchiectasis, Bronchitis (acute), Pneumonia, Pulmonary Embolism,
MLA
Wheeze

Wheeze is a musical sound caused by narrowed airways; it requires urgent assessment for severity in …

Differentials: Asthma, COPD, Anaphylaxis, Acute Heart Failure (Pulmonary Oedema), Bronchiectasi
MLA
Nausea and Vomiting

Nausea and vomiting are symptoms of diverse aetiologies spanning GI, metabolic, and neurological sys…

Differentials: Gastroenteritis, Bowel Obstruction, Peptic Ulcer Disease, Cholecystitis/Biliary
MLA
Constipation

Constipation involves difficult or infrequent defecation; it requires systemic evaluation for red fl…

Differentials: Functional/Dietary Constipation, Colorectal Cancer, Irritable Bowel Syndrome (IB
MLA
Diarrhoea

Diarrhoea is the increased frequency and decreased consistency of stool. Management involves fluid r…

Differentials: Gastroenteritis (viral/bacterial), Irritable Bowel Syndrome (IBS), Inflammatory
MLA
Ankle Swelling

Ankle swelling involves fluid accumulation in the lower limbs, categorized by laterality and onset. …

Differentials: Congestive Heart Failure, Chronic Venous Insufficiency, Deep Vein Thrombosis (DV
MLA
Falls in the Elderly

Falls in the elderly are multifactorial events indicating frailty. Assessment requires a detailed hi…

Differentials: Postural Hypotension, Cardiac Arrhythmia, Polypharmacy, Sarcopenia/Frailty, Visu
MLA
Lymphadenopathy

Lymphadenopathy involves enlarged nodes due to infection, inflammation, or malignancy. Investigation…

Differentials: Reactive Lymphadenopathy (viral/bacterial), Lymphoma (Hodgkin/Non-Hodgkin), Meta
MLA
Breast Lump

Breast lumps require a high index of suspicion for malignancy. The 'triple assessment' (clinical exa…

Differentials: Breast Cancer (Invasive Ductal/Lobular), Fibroadenoma, Breast Cyst, Fat Necrosis
MLA