Haematemesis and Melena Flashcards
The dramatic symptom of haematemesis follows bleeding from the 1 2 3.
oesophagus,
stomach and duodenum
_______ is the vomiting of blood appearing as
fresh blood or ‘coffee grounds’
Haematemesis
______ is the passage
of black tarry stools, with 50 mL or more of bloo
Melaena
____________accounts for most cases
of upper GI haemorrhage
Chronic peptic ulceration
Black stool caused by oral ______ or _____
can cause confusion
iron therapy or bismuth antacid tablets
Melaena is generally ______life-threatening than
haematemesis.
less
A sudden loss of _______ or more circulatory blood
volume usually produces signs of shock such as
tachycardia, hypotension, faintness and sweating
20%
A useful guide is that shock in a previously
well 70 kg man indicates an acute blood loss of at
least________________-.
1000–1500 mL
The major cause of bleeding is _____________, accounting
for about half of all cases
chronic peptic
ulceration of the duodenum and stomach
In this condition a tear occurs at the lower end of
the oesophageal mucosa (at the oesophagogastric
junction) because of an episode of severe or protracted
vomiting or coughing
Mallory–Weiss syndrome
caused by portal hypertension, which
in turn is usually due to cirrhosis of the liver
Gastro-oesophageal varices
Prognosis of Gastro-esophageal varices
Mortality is about 30%, despite advances, and 70% for untreated patients
Primary prevention of bleeding from varices is
with the use of _____________-.
beta blockers such as propranolol if no
contraindications
Other Mx for varices if medical fails
Management includes injection sclerotherapy,
and then intravenous octreotide or terlipressin
if it fails
Definitive Mx of varices
Passage of a Sengstaken–Blakemore or Minnesota tube into the oesophagus and stomach to provide tamponade and the radiological procedure of
using a transjugular intrahepatic portosystemic stent are possible options.