🔺 Pathophysiology of Hyperthyroidism

 What happens when there’s too much thyroid hormone in the body?

When thyroid hormone levels are elevated, the body doesn’t just “speed up”, it becomes overstimulated across multiple systems. This isn’t a random collection of symptoms; it’s a predictable physiological response to excess T3 and T4.

The Thyroid Axis

 The thyroid axis is one of the most common clinically encountered endocrine systems. It regulates metabolism, temperature, energy, and mood. Understanding how it works helps you reason through symptoms like fatigue, weight change, palpitations, constipation, and menstrual irregularities.

The Hypothalamic–Pituitary Axis: Physiology, Reasoning, and Clinical Relevance

 Welcome to endocrine! This post is designed to help you reason through the hypothalamic–pituitary axis (HPA), not just memorise it. You don’t need to know everything yet. What matters is understanding how the system works, how it regulates itself, and how that explains common clinical presentations.

Preparing for exams - how to make the next two months work best for you

 Exams are just under eight weeks away - close enough to feel real, but still enough time to prepare steadily without panic. The key now is consistency. Small, regular efforts will carry you much further than bursts of late-night cramming. 

This post pulls together some evidence-based strategies, links back to resources you already have, and sets out how you can use the coming weeks to your advantage.