Cardiology examines the rhythms and pressures that sustain life moment by moment. This chapter explores the structure and function of the heart, and how disruption manifests as disease.

In this audio deep dive, we move through ischaemia, heart failure, arrhythmia, and valvular disease — not as isolated entities, but as interconnected responses to stress, injury, and adaptation. You’ll hear how symptoms emerge, how investigations guide care, and why timing is often decisive.

This chapter positions cardiology as a discipline of flow and balance, where small physiological changes can have profound systemic consequences.

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