Nausea

Nausea is a subjective, unpleasant epigastric sensation characterized by the awareness of an imminent urge to vomit

Nausea is a subjective, unpleasant epigastric sensation characterized by the awareness of an imminent urge to vomit

Nausea is a subjective, unpleasant epigastric sensation characterized by the awareness of an imminent urge to vomit It primarily engages the gastrointestinal and nervous systems, arising when afferent visceral signals via the vagus nerve, vestibular inputs, or circulating emetogenic stimuli activate the chemoreceptor trigger zone and the solitary tract nucleus within the brainstem

It primarily engages the gastrointestinal and nervous systems, arising when afferent visceral signals via the vagus nerve, vestibular inputs, or circulating emetogenic stimuli activate the chemoreceptor trigger zone and the solitary tract nucleus within the brainstem

Pathophysiologically, it is frequently accompanied by gastric dysrhythmias—such as tachygastria—along with systemic autonomic responses including diaphoresis, pallor, hypersalivation, and tachycardia

Pathophysiologically, it is frequently accompanied by gastric dysrhythmias—such as tachygastria—along with systemic autonomic responses including diaphoresis, pallor, hypersalivation, and tachycardia

Pathophysiologically, it is frequently accompanied by gastric dysrhythmias—such as tachygastria—along with systemic autonomic responses including diaphoresis, pallor, hypersalivation, and tachycardia