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噁心嘔吐 (clinical characteristics (pseudovomitus (發生在進食之後, 嘔吐物：完全未被消化的食物,…
噁心嘔吐
clinical characteristics
direct activation of
emetic center or CTZ
和進食無關
嘔吐物：口水 腸胃道分泌物
gastroparesis or
gastric outlet obstruction
發生在進食之後
嘔吐物：未完全消化的食物
pseudovomitus
發生在進食之後
嘔吐物：完全未被消化的食物
食道憩室
bilious vomitting
多次嘔吐
嘔吐物：黃黃綠綠的
feculent vomitting
嘔吐物：有糞便臭味
腸道阻塞
projectile vomitting
和CNS相關 嘔吐中樞直接被活化
顱內病灶
alarming symptoms
bloody material inside
worsened with jolting movements
steady pain
chest pain
head trauma neck stiffness
RLQ pain
pathophysiology
toxins / chemotherapeutic agents
Chemoreceptor trigger zone
-
vestibular n.的內耳平衡感覺
vestibular nucleus
-
身體各處感覺
cortical centers
vomiting center
GI刺激
vagal sensory n.
-
emetic reflex
causes
toxins / chemotherapeutic agents
metabolite and endocrine (pregnancy/DM.)
drugs (aspirin/NSAIDs/chemotherapeutics/CNS medicines)
GI
mechanic obstruction
motility disorders
腹內發炎感染腫瘤
viscus organ abnomalities
CNS
IICP