@drsermedmezher: “It’s Supposed to Do That” #wait. Sources- PMID 32974246 @Alayna on TT Postural Orthostatic Tachycardia Syndrome, or POTS, is a condition that affects how the nervous system regulates blood flow when you change positions. The hallmark symptom is a dramatic and rapid increase in heart rate within minutes of standing up from a sitting or lying position. Because blood tends to pool in the lower body instead of circulating efficiently back up to the brain, people with POTS frequently experience sudden dizziness, lightheadedness, heart palpitations, and sometimes fainting or near-fainting. Beyond these immediate upright symptoms, POTS often causes a wide range of daily challenges that affect the entire body. Many individuals experience severe fatigue, trouble concentrating or "brain fog," shortness of breath, shakiness, and nausea. Simple activities like standing in a queue, taking a hot shower, or doing light exercise can feel exhausting, though the uncomfortable symptoms typically ease once the person lies back down. #pots #teen #dizzy

Dr Sermed Mezher MBChB MRes

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Monday 09 November 2026 21:20:03 GMT