Replying to @crokat1919 Anatomy of a PCA Stroke: From Heart to Vision Loss Posterior circulation anatomy is vital for accurately localizing salient strokes. Common PCS etiologies (PCA/BA/VA): • Cardioembolic: AF/LAA clot • Artery→artery: VA/BA/PCA atherosclerosis • Dissection (VA) ± neck trauma/manip • Small-vessel: thalamic/perforators • Hypoperfusion: vertebrobasilar stenosis RF: smoking HLD HTN DM. Clues: HH, diplopia, vertigo/ataxia, dysarthria, AMS/thalamic pain. @Kevin Kern, DC #neurointer

Teaching You things that nobody does on Instagram: "Snakes react to sudden movement, shadows, and perceived barriers, and when something unfamiliar blocks their line of motion, they may pause or redirect instead of striking. That moment gets edited to look like “control,” even though it’s just a brief behavioral response. In real life, handling snakes without training can go wrong fast. Even non-venomous species can bite, and venomous ones require professionals with proper tools. If a snake need