Acute Upper and Lower Gastrointestinal Emergencies Flashcards Preview

Gastrointestinal (LECTURE NOTES) > Acute Upper and Lower Gastrointestinal Emergencies > Flashcards

Flashcards in Acute Upper and Lower Gastrointestinal Emergencies Deck (27)
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1
Q

What is acute total dysphagia

A

Sudden complete dysphagia for solids and liquids

2
Q

What is the commonest cause of acute total dysphagia

A

Bolus food impaction on a pre-existing lesion

3
Q

What is the management for a patient with acute total dysphagia

A
Reassurance 
rehydration
endoscopic removal of obstruction
endoscopic dilatation of stricture if appropriate 
Treat aspiration pneumonia 
GIve advice about avoiding dysphagia 
Avoid fibrous foods 
Pentiful drinks 
PPI if stricture present
4
Q

What are the symptoms of an oesophageal rupture

A

Sudden severe chest pain after an obvious provoking cause

5
Q

What are the causes of an oesophageal rupture

A

Endoscopy or other instrumentation
Chest trauma
Forceful severe vomiting

6
Q

What are the investigations to confirm an oesophageal rupture

A
ECG and Cardiac enzymes 
Erect CXR 
CT scan chest and abdomen 
Serum amylase 
Gastrograffin swallow to confirm the location of the tear
7
Q

What is the management of an oesophageal rupture

A

Analgesia
IV fluids
NBM
Urgent surgical opinion

8
Q

If there is a large tear in the oeosophagus, what should be done

A

IV antibiotic - metronidazole
Early surgical repair
Enteral nutition - jejunal feeding tube

9
Q

If there is just a small tear in the oesophagus, what should be done

A

Conservative management

10
Q

What is the management of acute diarrhoea

A

Fluid replacement

11
Q

When are antibiotics indicated in acute diarrhoea

A

in certain patient groups and in epidemic diarrhoea to control the spread of the infection

12
Q

Why are antidiarrhoeal agents best avoided

A

They may prolong carriage of the organism

13
Q

What is the most likely diagnosis for a patient who has a past history of laparotomy and sudden onset of central abdominal pain and vomiting

A

Adhesional obstruction of the small bowel

14
Q

What is the pain like in a strangulated obstruction

A

Severe,
localised
unremitting pain

15
Q

Where does the pain tend to be from colonic obstruction

A

Peri-umbilically and in the hypogastrium

16
Q

If bowel sounds are absent, what does this suggest

A

Obstruction

17
Q

What is the most useful investigation to determine the site and cause of the obstruction

A

Abdominal CT scan

18
Q

In terms of ABGs, what does severe vomiting cause

A

Metabolic alkalosis

19
Q

What is the treatment for strangulation

A

Surgery

20
Q

How is an obstruction monitored

A

Nasogastric aspirate
urine output
electrolyte status
hydration status

21
Q

What is the management for a paralytic ileus

A

Stop provoking drugs and minimise opiate analgesia

Consider parenteral nutrition if prolonged

22
Q

What is the management for intusussception

A

Diagnosis is often established by US

Barium or gastrograffin meal may be therapeutic in reducing intussusception

23
Q

What is the management for Meckel’s diverticulum

A

Treat surgically

24
Q

What is the treatment for a volvulus

A

Sigmoid: deflate the gut is prefarable to surgery
Caecal: surgery as recurrence is common
Gastric: surgery to reduce the volvulus and repair diaphragmatic hatius that allows the gastric volvulus

25
Q

What is the priority in the case of a swallowed foreign body

A

Safeguard the airway

26
Q

If the foreign body gets passed the pylorus, how is the foreign body dealt with

A

it usually passes through the anus

27
Q

What is the management of foreign bodies

A

Reassure the patient

Perform CXR and AXR to confirm nature and quantity of ingested item