Key Points ASD Overview: Atrial septal defects are often detected and repaired in childhood, but uncorrected lesions may remain silent into early adulthood. Symptoms usually appear by age 30–40 and…
Key Points What It Is: A rare autosomal dominant sodium channelopathy that leads to episodic muscle weakness or paralysis in the setting of elevated serum potassium. Named after “Impressive,” the…
Key Points Definition: A rare ion channelopathy that causes sudden, reversible episodes of symmetric flaccid paralysis triggered by low serum potassium. It may be inherited or secondary to thyrotoxicosis or…