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Physiology Friday #228: Identifying Sleep Patterns that Influence Chronic Disease Risk

Physiologically Speaking

Welcome to the Physiology Friday newsletter. Physiologically Speaking is a reader-supported publication. This irregular sleep pattern misaligns circadian rhythms and disrupts physiology. ICYMI: On Wednesday, I published my video interview with Dr. Andrew Koutnik. “The shorter your sleep, the shorter your life.”

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What kind of AV block is this? And why does she develop Ventricular Tachycardia?

Dr. Smith's ECG Blog

Other than being overweight and having an elevated cholesterol she was healthy. The physiologic reason for this — is thought to be the result of momentarily increased circulation from mechanical contraction arising from the "sandwiched in" QRS complex. She was feeling fine prior to the last seven days. There was no chest pain.