Bioscience Exam Topics - Year 2
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GORD
Lower oesophageal sphincter relaxes, gastric contents enter oesophagus, irritates mucous lining, causes uncomfortable burning sensation (heartburn)
Mallory Weiss tear ?
Tear of tissue of lower oesophagus leading to bleeding
Causes of Mallory Weiss tear
Persistent retching/coughing/vomiting Hiatal hernia Childbirth
Signs/symptoms of Mallory Weiss tear
Haematoemesis Melaena (bloody stools) Fatigue, dizziness Abdominal/chest pain Anaemia Dysphasia
Signs/symptoms of Mallory Weiss tear
Haematoemesis Melaena (bloody stools) Fatigue, dizziness Abdominal/chest pain Anaemia Dysphasia
Diagnosis / treatment of Mallory Weiss tear
Upper GI endoscopy Stool test Self healing (stop bleed first) Surgical repair
Hiatus hernia ?
A section of the stomach perforates /moves up through diaphragm into the chest
Risk factors for hiatus hernia
Obesity Age Excessive coughing/straining/vomiting Heavy lifting Pregnancy
Types of hiatus hernia
Sliding - moves up and down/ in and out of chest Para oesophageal - rolling hiatus hernia
Signs/symptoms of hiatus hernia
Heartburn (GORD) SOB Regurgitation of food into mouth Burping / bloating Nausea/ vomiting Dysphasia Vomiting blood / black stool
Diagnosis/ Treatment for hiatus hernia
Diagnosis- X-Ray, endoscopy Lifestyle changes (eating habits, stop smoking, avoid lying down after eating/drinking) Keyhole surgery