Don't just read it — play with it

The four chambers of the heart

Tap each chamber to see its job and which blood it carries.

Brachial plexus — Roots to Branches

Tap each stage of the plexus (C5–T1) that supplies the upper limb.

Femoral triangle — NAVEL

Tap each structure from lateral to medial in the upper thigh.

A tour of the nephron

Tap each segment to see what it filters, reabsorbs or secretes.

Layers of the epidermis

Tap each layer from surface to base — Come, Let's Get Sun Burnt.

Order the cardiac cycle

Arrange the phases of one heartbeat in the right sequence.

Steps of haemostasis

Order how the body stops bleeding after a vessel is cut.

Order the cell cycle

Arrange the phases a dividing cell passes through.

Steps of acute inflammation

Order the vascular and cellular events after injury.

Order red-cell development

Arrange the stages from stem cell to red blood cell.

Read the blood pH

Slide the pH and see acidaemia, normal or alkalaemia.

Oxygen saturation (SpO₂)

Slide the saturation and see what each level means clinically.

Kidney function by GFR

Slide the GFR to see the stage of chronic kidney disease.

Blood pressure categories

Slide systolic BP to see the category (ACC/AHA).

The action potential

Slide the membrane voltage through each phase.

Cranial nerves → function

Match each cranial nerve to what it does.

Vitamins → deficiency disease

Match each vitamin to the disease its lack causes.

Antibiotics → mechanism

Match each antibiotic class to how it kills bacteria.

Hormones → gland

Match each hormone to the gland that makes it.

Autonomic receptors → effect

Match each receptor to its classic action.

Blood flow through the heart

Build the path of a red cell from body back to body.

The RAAS pathway

Build the renin–angiotensin–aldosterone cascade.

Glycolysis — the big picture

Build the flow of glucose to pyruvate.

Screen for depression — SIG E CAPS

Flip each card to recall the nine symptoms of major depression.

Read the ECG waves

Tap each part of the PQRST trace to learn what it shows.

Explore the skeleton

Tap a region of the 206-bone skeleton to learn it.

Lobes of the cerebrum

Tap each lobe to see what it does.

The meninges

Tap each layer around the brain — and its bleed.

Regions of the stomach

Tap each part and its secretion.

Layers of the gut wall

Tap each layer from the lumen outward.

Parts of a long bone

Tap each part of a growing long bone.

Order wound healing

Arrange how a wound heals over time.

Stages of general anaesthesia

Order Guedel's classic stages.

Order fracture healing

Arrange how a broken bone repairs.

Order viral replication

Arrange how a virus makes copies.

Order the stages of grief

Arrange Kübler-Ross's five stages.

Order the stages of labour

Arrange normal labour and delivery.

Serum potassium

Slide K⁺ to see hypo-, normal or hyperkalaemia.

Serum sodium

Slide Na⁺ to see hypo-, normal or hypernatraemia.

Fasting blood glucose

Slide glucose to see the diabetes categories.

Resting heart rate

Slide the rate to see brady-, normal or tachycardia.

Body temperature

Slide the temperature to read the state.

Body Mass Index (BMI)

Slide BMI to see the WHO category.

Haemoglobin & anaemia

Slide Hb to see anaemia severity.

Poison → antidote

Match each overdose to its antidote.

Autoantibody → disease

Match each antibody to its condition.

Tumour marker → cancer

Match each marker to its cancer.

Cranial nerve → skull exit

Match each nerve to its foramen.

Enzyme → organ clue

Match each enzyme to what it flags.

Bacterium → disease

Match each organism to what it causes.

Cardiac conduction pathway

Build the heart's electrical route.

Path of a breath

Build the route of air to the alveoli.

The visual pathway

Build the route from eye to cortex.

Flow of bile

Build bile's journey to the gut.

Sperm's journey — SEVEN UP

Build the path sperm travel.

Name the 12 cranial nerves

Flip each numeral to its nerve.

Take a pain history — SOCRATES

Flip each letter of the pain mnemonic.

Anion-gap acidosis — MUDPILES

Flip each cause of high-anion-gap acidosis.

Trauma primary survey — ABCDE

Flip each step of the primary survey.

Lobes of the lungs

Tap each lobe of the right and left lungs.

The three parts of the ear

Tap the outer, middle and inner ear.

Structures of the eye

Tap each part of the eye.

Order phagocytosis

Arrange how a phagocyte eats a microbe.

Order spermatogenesis

Arrange sperm-cell development.

Order the menstrual cycle

Arrange the phases of a ~28-day cycle.

Respiratory rate

Slide the rate to see brady-, normal or tachypnoea.

Platelet count

Slide platelets to see the bleeding risk.

White cell count

Slide the WBC to see leukopenia or leukocytosis.

Murmur → valve lesion

Match each murmur to its valve problem.

Diabetes drug → mechanism

Match each drug class to how it lowers glucose.

Type of shock → cause

Match each shock to its mechanism.

The pain pathway

Build the route of a pain signal to the brain.

Classic clinical triads

Flip each named triad to its three features.

Glasgow Coma Scale

Flip each part of the GCS.

Cranial nerves — sensory, motor or both?

Flip each nerve to its type (S / M / B).

Gas exchange at the alveolus

Tap the alveolus, membrane, capillary and the gases that cross.

How a synapse fires

Tap each step a signal takes across a chemical synapse.

Parts of a neuron

Tap each part of a nerve cell.

Layers of the heart wall

Tap each layer from inside out.

Layers of an artery wall

Tap each tunica of a blood-vessel wall.

Spinal cord cross-section

Tap each region of the grey and white matter.

Layers of the uterus

Tap each layer of the uterine wall.

Openings of the diaphragm

Tap each opening and what passes through.

Order protein translation

Arrange how mRNA becomes a protein.

Order the stages of sleep

Arrange a sleep cycle from light to REM.

Order the stages of change

Arrange the transtheoretical model.

Order the stages of syphilis

Arrange untreated syphilis over time.

Order the phases of swallowing

Arrange how a bolus reaches the stomach.

Read an ECG systematically

Order the steps of a structured ECG read.

Serum calcium

Slide Ca²⁺ to see hypo-, normal or hypercalcaemia.

HbA1c

Slide HbA1c to see the diabetes categories.

Arterial CO₂ (PaCO₂)

Slide PaCO₂ to see hypo- or hypercapnia.

Serum bicarbonate (HCO₃⁻)

Slide HCO₃⁻ to see a metabolic acid–base clue.

INR on warfarin

Slide the INR to see the anticoagulation zone.

CD4 count in HIV

Slide the CD4 count to see the immune risk.

Serum bilirubin & jaundice

Slide bilirubin to see when jaundice shows.

TSH & thyroid function

Slide TSH to think hyper- or hypothyroid.

Dermatome → landmark

Match each spinal level to its skin landmark.

Reflex → nerve root

Match each deep tendon reflex to its root.

Antibody → role

Match each immunoglobulin to its job.

White cell → function

Match each leukocyte to what it does.

Hypersensitivity → example

Match each Gell–Coombs type to an example.

Vaccine → type

Match each vaccine to its type.

Anticoagulant → monitoring

Match each blood thinner to its test.

Flow of CSF

Build the route of cerebrospinal fluid.

Blood flow through the kidney

Build the path of blood through a nephron's vessels.

The coagulation cascade

Build the path from injury to a fibrin clot.

The motor (corticospinal) tract

Build the route of a movement command.

Acute limb ischaemia — the 6 P's

Flip each P of a threatened limb.

Pneumonia severity — CURB-65

Flip each point of the CURB-65 score.

The Circle of Willis

Tap each artery of the brain's arterial circle.

Layers of the adrenal gland

Tap each zone — salt, sugar, sex, then catecholamines.

Ligaments of the knee

Tap each ligament and what it stops.

Order the phases of mitosis

Arrange PMAT + cytokinesis.

Order transcription

Arrange how DNA becomes mRNA.

Order the cardiac action potential

Arrange phases 0–4 of a ventricular myocyte.

Order the stages of HIV

Arrange untreated HIV over time.

Order the stages of shock

Arrange how shock progresses if untreated.

The anion gap

Slide the anion gap to spot a metabolic acidosis.

Left ventricular ejection fraction

Slide the EF to classify heart failure.

The QTc interval

Slide the QTc to spot a long-QT risk.

Arterial oxygen (PaO₂)

Slide PaO₂ to see hypoxaemia and respiratory failure.

FEV₁/FVC ratio

Slide the ratio to spot an obstructive pattern.

Serum magnesium

Slide Mg²⁺ to see hypo- or hypermagnesaemia.

Urine output

Slide the output to spot oliguria.

Serum lactate

Slide lactate to gauge tissue perfusion.

Pancreatic islet cell → hormone

Match each islet cell to what it secretes.

Bleeding disorder → deficiency

Match each disorder to its missing factor.

Anaemia → by cell size

Match each anaemia to its classic cause.

Heart sound → cause

Match each heart sound to what makes it.

Diuretic → site of action

Match each diuretic to where it works in the nephron.

Virus → cancer

Match each oncovirus to the cancer it drives.

Anterior pituitary hormone → target

Match each hormone to the organ it drives.

Fracture eponym → site

Match each named fracture to its bone.

Toxin → mechanism

Match each bacterial toxin to how it acts.

Hepatitis virus → spread

Match each hepatitis virus to how it spreads.

Leukaemia → typical age

Match each leukaemia to who it usually hits.

The Krebs (citric acid) cycle

Build one turn of the citric acid cycle.

Dorsal column (fine touch) pathway

Build the route of fine touch & proprioception.

The baroreceptor reflex

Build the reflex that buffers a blood-pressure rise.

The auditory pathway

Build the route of sound from ear to cortex.

The APGAR score

Flip each part of the newborn APGAR score.

Strep throat — Centor criteria

Flip each point that predicts strep throat.

Exudate — Light's criteria

Flip each rule that marks a pleural exudate.

Rheumatic fever — JONES

Flip each major criterion of rheumatic fever.

Mania — DIG FAST

Flip each feature of a manic episode.

Alcohol screen — CAGE

Flip each question of the CAGE screen.

Quit smoking — the 5 A's

Flip each step of brief smoking-cessation advice.

Post-op fever — the 5 W's

Flip each cause by post-op day.

Gallstones — the 5 F's

Flip each classic gallstone risk factor.

Rotator cuff — SITS

Tap each of the four rotator-cuff muscles.

Layers of the scalp — SCALP

Tap each layer from skin to bone.

Parts of the large intestine

Tap each segment of the colon.

Divisions of the mediastinum

Tap each compartment of the mediastinum.

The four heart valves

Tap each valve and what it guards.

The cranial fossae

Tap each floor of the cranial cavity.

Parts of the small intestine

Tap each part from stomach to colon.

The spinal nerve plexuses

Tap each plexus and a key nerve.

Order urine formation

Arrange the steps that make urine.

Order atherosclerosis

Arrange how a plaque forms in an artery.

Order muscle contraction

Arrange the sliding-filament steps.

Order the bacterial growth curve

Arrange the phases of a growing culture.

Order carcinogenesis

Arrange how a normal cell becomes cancer.

Order pressure-ulcer stages

Arrange the stages of a pressure sore.

Order cell injury

Arrange injury from reversible to cell death.

Order the reflex arc

Arrange the path of a reflex.

Serum albumin

Slide albumin to gauge liver/nutrition.

C-reactive protein (CRP)

Slide CRP to gauge inflammation.

ESR

Slide the ESR to spot inflammation.

Intraocular pressure

Slide the eye pressure to spot glaucoma risk.

Intracranial pressure

Slide the ICP to spot dangerous rises.

Pulse pressure

Slide it to see narrow vs wide.

Serum uric acid

Slide uric acid to gauge gout risk.

Blood alcohol concentration

Slide the BAC to see the effect.

Nerve injury → sign

Match each injured nerve to its deformity.

Skin lesion → definition

Match each term to what it means.

Defence mechanism → example

Match each defence to what it looks like.

Germ layer → derivative

Match each embryonic layer to what it forms.

Electrolyte → ECG change

Match each disturbance to its ECG clue.

Jaundice → bilirubin type

Match each jaundice to its bilirubin pattern.

Headache → key feature

Match each headache to its hallmark.

Blood groups & compatibility

Match each group to its rule.

Insulin → onset

Match each insulin to how fast it works.

Thyroid labs → diagnosis

Match each TSH/T4 pattern to the diagnosis.

The electron transport chain

Build the flow of electrons to oxygen.

The thyroid (HPT) axis

Build the hypothalamic–pituitary–thyroid axis.

The stress (HPA) axis

Build the hypothalamic–pituitary–adrenal axis.

The flow of lymph

Build lymph's route back to the blood.

Fertilisation to implantation

Build the first week of development.

Ottawa ankle rules

Flip each rule for when to X-ray an ankle.

SIRS criteria

Flip each systemic inflammatory response criterion.

Emergency history — SAMPLE

Flip each part of a rapid history.

Burns — rule of 9s (adult)

Flip each area's % body surface.

Heart failure — NYHA class

Flip each functional class.

Airway — Mallampati score

Flip each class of the airway view.

ASA physical status

Flip each ASA class before surgery.

WHO 5 moments for hand hygiene

Flip each moment to clean your hands.

Triage colour categories

Flip each triage colour.

DVT — Wells score idea

Flip the key points of the Wells DVT score.

Postpartum haemorrhage — 4 T's

Flip each cause of bleeding after birth.

Order an ELISA

Arrange the steps of a sandwich ELISA test.

Order the PCR cycle

Put the three temperature steps of PCR in order.

Neuromuscular transmission

Order how a nerve signal triggers a muscle to contract.

How insulin is secreted

Order glucose-stimulated insulin release from a β-cell.

Bilirubin metabolism

Order bilirubin's journey from red cell to gut.

Classical complement pathway

Order classical complement activation.

The micturition reflex

Order how the bladder empties.

Circulation changes at birth

Order what happens to the fetal shunts at the first breath.

The bone remodeling cycle

Order how old bone is replaced by new.

A drug's journey — ADME

Order pharmacokinetics: what the body does to a drug.

Stages of prenatal development

Order zygote to fetus.

The Cori cycle

Order the lactate shuttle between muscle and liver.

Phases of a seizure

Order the phases of a generalised seizure.

The gait cycle

Order the stance phase of one stride.

The Na⁺/K⁺ pump

Order one cycle of the sodium–potassium pump.

Apoptosis (intrinsic path)

Order programmed cell death.

Phases of gastric secretion

Order the three phases of acid secretion.

Ketogenesis

Order how the liver makes ketone bodies while fasting.

The urea cycle

Order how toxic ammonia becomes urea.

Loop of Henle — countercurrent

Order how the medullary gradient is built.

Serum creatinine

Slide creatinine to gauge kidney clearance.

Blood urea (BUN)

Slide the urea nitrogen.

Total cholesterol

Slide total cholesterol to see the risk band.

LDL cholesterol

Slide LDL — the 'bad' cholesterol.

Triglycerides

Slide triglycerides to see the band.

Serum phosphate

Slide phosphate to see low/normal/high.

Serum ferritin

Slide ferritin — the body's iron store.

Serum amylase

Slide amylase toward the pancreatitis range.

Serum osmolality

Slide osmolality to see hydration state.

Central venous pressure

Slide CVP to judge filling.

Mean arterial pressure

Slide MAP — the perfusion pressure.

Mean cell volume (MCV)

Slide MCV to classify anaemia by size.

Absolute neutrophil count

Slide the ANC — infection defence.

APTT

Slide the APTT — the intrinsic clotting time.

Reticulocyte count

Slide the reticulocyte % — young red cells.

Transferrin saturation

Slide transferrin saturation — iron status.

Fetal heart rate

Slide the fetal heart rate.

Serum ALT (liver)

Slide ALT to gauge liver-cell injury.

Blood ketones

Slide blood ketones toward DKA.

Lithium level

Slide the lithium level — a narrow therapeutic window.

Vitamin → coenzyme

Match each B vitamin to its active coenzyme.

Antihypertensive → class

Match each drug to its class.

Antiarrhythmic → class

Match the Vaughan-Williams class to an example.

Immunoglobulin → role

Match each antibody isotype to its job.

Cytokine → action

Match each cytokine to its main effect.

Storage disease → enzyme

Match the lysosomal disease to its missing enzyme.

Amino acid → product

Match each amino acid to what it makes.

Neurotransmitter → role

Match each transmitter to its main role.

Brain area → function

Match each region to what it does.

Muscle → action

Match each muscle to its main movement.

Joint → type

Match each joint to its synovial type.

Heart valve → listening spot

Match each valve to where you auscultate it.

Lung volume → meaning

Match each spirometry term to its definition.

Disease → inheritance

Match each condition to its inheritance pattern.

Karyotype → syndrome

Match each chromosome count to the syndrome.

Bacterium → Gram & shape

Match each bug to its Gram stain and shape.

Antifungal → mechanism

Match each antifungal to how it works.

Antiviral → target

Match each antiviral to its target.

Tumour suppressor → cancer

Match each gene to the cancer it guards against.

CD4 count → infection

Match the CD4 threshold to the opportunistic infection.

Journey through the gut

Build the path of food from mouth to anus.

Fetal circulation path

Build oxygenated blood from placenta to fetus.

Hepatic portal circulation

Build blood from gut to heart via the liver.

Basal ganglia — direct path

Build the movement-facilitating loop.

Glycogenolysis

Build glycogen breakdown to blood glucose.

Gluconeogenesis

Build glucose from pyruvate.

Fatty-acid β-oxidation

Build the breakdown of a fatty acid.

Heme synthesis

Build heme from glycine and succinyl-CoA.

Fibrinolysis

Build how a clot is broken down.

The reproductive (HPG) axis

Build the hypothalamic–pituitary–gonadal axis.

Path of light in the eye

Build light's route to the retina.

Tear drainage path

Build a tear's route from gland to nose.

Path of an ovum

Build the egg's journey from ovary to implantation.

Carbohydrate digestion

Build starch's breakdown to glucose.

CO₂ transport to the lung

Build how CO₂ travels from tissue to lung.

The vomiting reflex

Build the sequence of vomiting.

Thyroid hormone synthesis

Build how T3/T4 are made.

cAMP second messenger

Build Gs-protein signalling to a cell response.

The humoral immune response

Build the antibody response to an antigen.

Dietary fat transport

Build the exogenous lipoprotein pathway.

Any differential — VINDICATE

Flip each letter of the VINDICATE checklist.

Causes of coma — AEIOU-TIPS

Flip each cause of a reduced conscious level.

Reversible arrest — 4 H's & 4 T's

Flip each reversible cause of cardiac arrest.

Cerebellar signs — DANISH

Flip each sign of cerebellar disease.

Parkinsonism — TRAP

Flip each cardinal feature of parkinsonism.

AF causes — PIRATES

Flip each cause of atrial fibrillation.

Normal-gap acidosis — USED CARP

Flip each cause of a normal anion-gap acidosis.

Pancreatitis — GET SMASHED

Flip each cause of acute pancreatitis.

Appendicitis — MANTRELS

Flip each item of the Alvarado (MANTRELS) score.

Cauda equina red flags

Flip each red flag of this surgical emergency.

Soft-tissue injury — RICE

Flip each step of early sprain care.

Ottawa knee rules

Flip each reason to X-ray a knee.

DKA — diagnostic triad

Flip each part of the DKA triad.

Nephrotic syndrome

Flip each feature of nephrotic syndrome.

Tetralogy of Fallot

Flip each of the four features.

Serotonin syndrome

Flip each part of the triad.

Neuroleptic malignant syndrome

Flip each feature (FEVER).

Horner's syndrome triad

Flip each sign of a sympathetic lesion.

Cushing's reflex (raised ICP)

Flip each part of the response to raised ICP.

Opioid overdose triad

Flip each sign of opioid toxicity.