Pulse
@Pulse_Med_Hist
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Welcome to Pulse, the heartbeat of medical storytelling. Watch medicine's most insane stories unfold on my YouTube channel. Link below.
Norway
Joined July 2025
From that map came modern field epidemiology. Same logic guides outbreak response today.
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Snow convinces officials to remove the pump handle. Cases collapse. Data > authority.
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Outliers tell the story: the workhouse and the brewery had far fewer cases—they drank other water (and beer).
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He walks the streets and maps deaths around the Broad Street pump. A cluster appears—each dot a life lost.
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1854, Soho. Cholera kills hundreds in days. Snow suspects water, not air.
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A map ended a deadly epidemic. London blamed “bad air” until John Snow drew dots—and shut a pump. A🧵
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TL;DR: Cadaver germs → chlorinated-lime handwash → maternal deaths plummet. 🎬 Watch the full documentary →
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Simple lesson: hygiene + measurement beat dogma. 🎬 Watch the full, breathtaking documentary on the handwashing revolution ↓.
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Instead of celebrating, professors resisted. Semmelweis left Vienna; in Budapest he cut deaths again—then died unrecognised in 1865. Pasteur & Lister later proved him right.
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He ordered handwashing with chlorinated lime before every exam. Mortality plunged from double digits to around 1–2%—within weeks.
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After a colleague died from a scalpel wound, Semmelweis suspected cadaveric particles carried from autopsies to deliveries. Invisible, deadly.
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Vienna, 1847. Two maternity wards: doctors + med students in one, midwives in the other. Only the doctors’ ward had sky-high childbed fever. Why?.
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He told surgeons to wash their hands—maternal deaths collapsed. His colleagues mocked him. Meet Ignaz Semmelweis, the man who saved mothers with soap. A🧵
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TL;DR: Nightingale didn’t just carry a lamp—she carried data. Hygiene + logistics + proof saved lives. 🎬 Watch the full documentary →
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It wasn’t miracles. It was logistics, hygiene—and proof. 🎬 Watch the full, breathtaking documentary on Nightingale’s revolution ↓.
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Policy finally moved because the numbers were undeniable. Mortality plunged; hospital hygiene and modern nursing took shape. Data > dogma.
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Then she did the unglamorous work: measure everything. Admissions, causes of death, seasons. She turned it into a striking “rose” (coxcomb) diagram anyone could grasp.
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Nightingale went operational: clean water, ventilation, latrines, laundry, proper diets, supply chains, shift discipline. Protocols before heroics.
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Crimean War wards were deadlier than the battlefield: foul water, no sanitation, overcrowding. Infection, not bullets, was killing soldiers.
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A lamp made her famous. A chart changed the world. Florence Nightingale walked into a war hospital of filth and chaos—and used data to stop the dying. A🧵
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