Mallory–weiss Syndrome
Basics
Description
Description
- Partial-thickness intraluminal longitudinal mucosal tear of distal esophagus or proximal stomach
- Sudden increase in intra-abdominal and/or transgastric pressure causes:- Mild to moderate submucosal arterial and/or venous bleeding:- May be related to underlying pathology
- “Mushrooming” of stomach into esophagus during retching has been observed endoscopically.
 
- Responsible for ∼8–15% of all cases of upper GI bleeding
 
- Mild to moderate submucosal arterial and/or venous bleeding:
Etiology
Etiology
- Associated with:- Forceful coughing, laughing, or retching
- Lifting
- Straining
- Blunt abdominal trauma
- Seizures
- Childbirth
- Cardiopulmonary resuscitation
 
- Risk factors:- Alcoholics:- Especially after recent binge
 
- Patients with hiatal hernia
- Hyperemesis gravidarum
- Diabetic ketoacidosis
- Chemotherapy
 
- Alcoholics:
- Greater bleeding associated with:- Portal hypertension
- Esophageal varices
- Coagulopathy
 
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Citation
Schaider, Jeffrey J., et al., editors. "Mallory–weiss Syndrome." 5-Minute Emergency Consult, 6th ed., Lippincott Williams & Wilkins, 2020. Emergency Central, emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307639/all/Mallory–weiss_Syndrome. 
Mallory–weiss Syndrome. In: Schaider JJJ, Barkin RMR, Hayden SRS, et al, eds. 5-Minute Emergency Consult. Lippincott Williams & Wilkins; 2020. https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307639/all/Mallory–weiss_Syndrome. Accessed October 31, 2025.
Mallory–weiss Syndrome. (2020). In Schaider, J. J., Barkin, R. M., Hayden, S. R., Wolfe, R. E., Barkin, A. Z., Shayne, P., & Rosen, P. (Eds.), 5-Minute Emergency Consult (6th ed.). Lippincott Williams & Wilkins. https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307639/all/Mallory–weiss_Syndrome
Mallory–weiss Syndrome [Internet]. In: Schaider JJJ, Barkin RMR, Hayden SRS, Wolfe RER, Barkin AZA, Shayne PP, Rosen PP, editors. 5-Minute Emergency Consult. Lippincott Williams & Wilkins; 2020. [cited 2025 October 31]. Available from: https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307639/all/Mallory–weiss_Syndrome.
* Article titles in AMA citation format should be in sentence-case
TY  -  ELEC
T1  -  Mallory–weiss Syndrome
ID  -  307639
ED  -  Barkin,Adam Z,
ED  -  Shayne,Philip,
ED  -  Rosen,Peter,
ED  -  Schaider,Jeffrey J,
ED  -  Barkin,Roger M,
ED  -  Hayden,Stephen R,
ED  -  Wolfe,Richard E,
BT  -  5-Minute Emergency Consult
UR  -  https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307639/all/Mallory–weiss_Syndrome
PB  -  Lippincott Williams & Wilkins
ET  -  6
DB  -  Emergency Central
DP  -  Unbound Medicine
ER  -  

 5-Minute Emergency Consult
5-Minute Emergency Consult

