Haematemesis and Melena Flashcards

1
Q
The dramatic symptom of
haematemesis follows bleeding from the 
1
2
3.
A

oesophagus,

stomach and duodenum

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2
Q

_______ is the vomiting of blood appearing as

fresh blood or ‘coffee grounds’

A

Haematemesis

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3
Q

______ is the passage

of black tarry stools, with 50 mL or more of bloo

A

Melaena

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4
Q

____________accounts for most cases

of upper GI haemorrhage

A

Chronic peptic ulceration

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5
Q

Black stool caused by oral ______ or _____

can cause confusion

A

iron therapy or bismuth antacid tablets

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6
Q

Melaena is generally ______life-threatening than

haematemesis.

A

less

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7
Q

A sudden loss of _______ or more circulatory blood
volume usually produces signs of shock such as
tachycardia, hypotension, faintness and sweating

A

20%

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8
Q

A useful guide is that shock in a previously
well 70 kg man indicates an acute blood loss of at
least________________-.

A

1000–1500 mL

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9
Q

The major cause of bleeding is _____________, accounting

for about half of all cases

A

chronic peptic

ulceration of the duodenum and stomach

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10
Q

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

A

Mallory–Weiss syndrome

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11
Q

caused by portal hypertension, which

in turn is usually due to cirrhosis of the liver

A

Gastro-oesophageal varices

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12
Q

Prognosis of Gastro-esophageal varices

A

Mortality is about 30%, despite advances, and 70% for untreated patients

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13
Q

Primary prevention of bleeding from varices is

with the use of _____________-.

A

beta blockers such as propranolol if no

contraindications

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14
Q

Other Mx for varices if medical fails

A

Management includes injection sclerotherapy,
and then intravenous octreotide or terlipressin
if it fails

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15
Q

Definitive Mx of varices

A

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.

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16
Q

A coffee grounds vomitus indicates that the blood has been in contact with
_______

A

gastric acid

17
Q

Drugs associated with gastrointestinal

haemorrhage

A
Aspirin
Clopidogrel
Other antiplatelet drugs
Heparin/new oral anticoagulants
NSAIDs/COX-2 inhibitors
Prednisolone
SSRI antidepressants
Warfarin
18
Q

Why is Hb level not appropriate guide to need for BT

A

because haemodilution occurs

gradually over the 24 hours following a severe bleed.

19
Q

Hb level warranting BT

A

a level below 90 g/L during this period is

usually regarded as an indication for transfusion.

20
Q

______________should be commenced in

most cases especially as 50% of bleeding is from peptic ulceration

A

Proton pump inhibitors

21
Q

______________is the gold standard for

diagnosis and therapy for acute UGIB

A

Upper endoscopy