Diastolic dysfunction explained: 🫀 A stiff left ventricle 📈 Higher pressures needed for filling 🩺 Echo helps us measure those pressures Want to understand how to assess it? Check out our full diastology lesson on Substack — and get new echo lessons every Tuesday & Thursday by joining our newsletter on our website! | The Echo Journal

Let λdenote Lebesgue measure on 𝐑. Give an example of a continuous function f:[0, ∞) →𝐑 such that limt →∞ ∫[0, t] f d λexists (in .𝐑) but ∫[0, ∞) f d λis not defined. | Numerade