Gastro Presentations Flashcards

1
Q

Abdominal distention

A
Coeliac disease
IBS
Volvulus
Hepatocellular carcinoma
Portal hypertension
Ascites
Intestinal ischaemia
Intestinal obstruction
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2
Q

Abdominal mass

A

Anal/PR

  • Colorectal cancer
  • Perianal abscess/fistulae

Epigastric/RUQ

  • Cholangiocarcinoma
  • Pancreatic cancer
  • Gastric cancer

Other

  • Appendicitis
  • Femoral hernias
  • Intestinal ischaemia
  • Intestinal obstrution
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3
Q

Common differentials for acute abdomen

A
Adhesions
Incarcerated/strangulated hernia
Cholecystitis
Perforated gastric ulcer
Appendicitis
Ectopic pregnancy
Pelvic inflammatory disease
Acute pancreatitis
Acute diverticulitis
Ulcerative colitis
Crohn's disease
Cholelithiasis
Gastrointestinal malignancy
Mallory-Weiss tear
Diabetic ketoacidosis
Opioid withdrawal
Hepatitis
Gastroenteritis
Infectious colitis
Sickle cell crisis
Endometriosis
Testicular torsion
Kidney stones
Pyelonephritis
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4
Q

Common differentials for ascites

A
Hepatitis C
Alcoholic liver disease
Congestive heart failure
Nephrotic syndrome
Pancreatitis
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5
Q

How does colonic bleeding typically present?

A

Bright red or dark red blood per rectum

Rarely meleaena

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6
Q

What does colonic bleeding rarely present as melaena?

A

Blood in the colon has a powerful laxative effect and is rarely retained long enough for transformation to occur

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7
Q

How can you generally differentiate between right-sided bleeds and left sided?

A

Darker coloured - right-sided

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8
Q

What are the presenting features of colitis?

A

Bleeding may be brisk in advanced cases, diarrhoea is commonly present. Abdominal x-ray may show featureless colon.

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9
Q

What are the presenting features of diverticular disease?

A

Acute diverticulitis often is not complicated by major bleeding and diverticular bleeds often occur sporadically.

75% all will cease spontaneously within 24-48 hours. Bleeding is often dark and of large volume.

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10
Q

What are the presenting features of colonic cancer?

A

Bleeding may be first sign of disease

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11
Q

What are the presenting features of hemorrhoidal bleeding?

A

Typically bright red bleeding occurring post defecation.

Although patients may give graphic descriptions bleeding of sufficient volume to cause haemodynamic compromise is rare.

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12
Q

What are the indications for surgery for a lower GI bleed?

A

Patients > 60 years
Continued bleeding despite endoscopic intervention
Recurrent bleeding
Known cardiovascular disease with poor response to hypotension

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13
Q

What is the surgical intervention for GI bleeds?

A

Selective mesenteric embolisation

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14
Q

What are the clinical features of an upper GI bleed?

A

Haematemsis (most common)
Melena
Raised urea

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15
Q

What are the presenting features of oesophageal varicies?

A

Usually a large volume of fresh blood.
Swallowed blood may cause melena.
Often associated with haemodynamic compromise.
May stop spontaneously but re-bleeds are common until appropriately managed.

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16
Q

What are the presenting features of oesophagitis?

A

Small volume of fresh blood, often streaking vomit. Malena rare.
Often ceases spontaneously.
Usually history of antecedent GORD type symptoms.

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17
Q

What are the presenting features of a Mallory-Weiss tear?

A

Typically brisk small to moderate volume of bright red blood following a bout of repeated vomiting. Malena rare. Usually ceases spontaneously.

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18
Q

What are the oesophageal causes of GI bleeds?

A

Oesophageal varicies
Oesophagitis
Cancer
Mallory Weiss Tear

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19
Q

What are the gastric causes of GI bleeds?

A

Gastric ulcer
Gastric cancer
Dieulafoy lesion
Diffuse erosive gastritis

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20
Q

What are the presenting features of gastric ulcers?

A

Small low volume bleeds are more common so would tend to present as iron deficiency anaemia.

Erosion into a significant vessel may produce considerable haemorrhage and haematemesis.

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21
Q

What are the presenting features of gastric cancer?

A

Frank haematemesis or altered blood mixed with vomit

Prodromal features of dyspepsia and may have constitutional symptoms

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22
Q

What is a dieulafoy lesion?

A

An arteriovenous malformation typically found in the stomach

Presents with haematemesis and melena

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23
Q

What are the presenting features of diffuse erosive gastritis?

A

Usually haematemesis and epigastric discomfort. Usually there is an underlying cause such as recent NSAID usage.
Large volume haemorrhage may occur with considerable haemodynamic compromise

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24
Q

What are the duodenal causes of GI bleeds?

A

Duodenal Ulcer

Aorto-enteric fistula

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25
Q

Where are duodenal ulcers found? Why does this cause bleeding?

A

Posteriorly sited and may erode the gastroduodenal artery

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26
Q

What are the presenting features of duodenal ulcers?

A

haematemesis, melena and epigastric discomfort

pain occurs several hours after eating

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27
Q

What is an aorto-enteric fistula?

A

In patients with previous abdominal aortic aneurysm surgery aorto-enteric fistulation remains a rare but important cause of major haemorrhage associated with high mortality.

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28
Q

How can you risk assess upper GI bleeding?

A

use the Blatchford score at first assessment, and

the full Rockall score after endoscopy

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29
Q

What is taken into account in the Blatchford score?

A

Urea ‘protein’
Haemoglobin low
BP low
Pulse high

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30
Q

How are GI bleeds managed?

A

Wide-bore IV access
Platelet transfusion if actively bleeding
FFP if low fibrinogen or high PT/APTT

Endoscopy after resuscitation (within 24 hours)

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31
Q

How do you manage variceal bleeding?

A

Prophylactic Abs
Band ligation and injections of N-butyl-2-cyanoacrylate
Transjugular intrahepatic portosystemic shunts (TIPS)

32
Q

What can cause dark stool?

A

GI bleeding

Vitamin K deficiency

33
Q

What can cause pale stools?

A

Hepatitis

Obstructive jaundice

34
Q

What are the presenting features of PUD? Duodenal

A

Epigastric pain relieved by eating

35
Q

What are the presenting features of PUD? Gastric

A

Epigastric pain worsened by eating

36
Q

What are the presenting features of appendicitis?

A

Pain initial in the central abdomen before localising to the right iliac fossa
Anorexia is common
Tachycardia, low-grade pyrexia, tenderness in RIF
Rovsing’s sign: more pain in RIF than LIF when palpating LIF

37
Q

What are the presenting features of acute pancreatitis?

A

Usually due to alcohol or gallstones
Severe epigastric pain
Vomiting is common
Examination may reveal tenderness, ileus and low-grade fever
Periumbilical discolouration (Cullen’s sign

38
Q

What are the presenting features of biliary colic?

A

Pain in the RUQ radiating to the back and interscapular region

May be following a fatty meal

Obstructive jaundice may cause pale stools and dark urine

Female, forties, fat and fair

39
Q

What are the presenting features of acute cholecystitis?

A

History of gallstones symptoms
Continuous RUQ pain
Fever, raised inflammatory markers and white cells
Murphy’s sign positive (arrest of inspiration on palpation of the RUQ)

40
Q

What are the presenting features of diverticulitis?

A

Colicky pain typically in the LLQ

Fever, raised inflammatory markers and white cells

41
Q

What are the presenting features of AAAs?

A

Severe central abdominal pain radiating to the back
Presentation may be catastrophic (e.g. Sudden collapse) or sub-acute (persistent severe central abdominal pain with developing shock)

42
Q

What are the presenting features of intestinal obstruction?

A

History of malignancy/previous operations
Vomiting
Not opened bowels recently
‘Tinkling’ bowel sounds

43
Q

Define constipation

A

Infrequent stools (< 3 times weekly), difficult stool passage (with straining or discomfort), or seemingly incomplete defecation

44
Q

What are the possible complications of constipation?

A

overflow diarrhoea
acute urinary retention
haemorrhoids

45
Q

What are some causes of constipation?

A
IBS
Rectal prolapse
Volvulus (absolute)
Obstruction (absolute)
Appendicitis
46
Q

What can cause reduced appetite?

A
Hepatocellular carcinoma
Depression
Medication side effect
Stomach ulcers
Crohn's 
UC
Coeliac disease
Gastroenteritis
47
Q

What are some causes of groin masses?

A
Herniae
Lipomas
Lymph nodes
Undescended testis
Femoral aneurysm
Saphena varix
48
Q

What are key questions to ask when investigating a groin lump?

A

Cough impulse?
Pulsatile and expansile?
Are both testes intrascrotal?
Signs of malignancy/infection? (lymph nodes)

49
Q

How would a lipoma present?

A

Soft, small, superficial lump

50
Q

How are groin lumps diagnosed normally?

A

Clinically

If not clear then via US

51
Q

When is an urgent surgical assessment necessary for a groin lump?

A

Suspected:
Strangulation of hernia
Pseudoaneurysms of the femoral artery

52
Q

How many lymph nodes are present in the groin region?

A

1-2 deep inguinal lymph nodes

Roughly 11 superficial

53
Q

What medications can cause meleana?

A

Blood thinners e.g Warfarin or Asprin

Iron tablets

54
Q

What are the 2 general mechanism of nausea and vomiting?

A

Neurological

Peripheral

55
Q

What are the features of neurological nausea?

A

Stimulation of area postrema that sense noxious chemical agents

Evokes nausea

Co-ordinates the emesis reflex

OR

Diseases of the CNS e.g. infection or tumour evoke N+V via vagal pathways

56
Q

What are the features of peripheral nausea?

A

Diseases etc. that originate in peripheral organ systems e.g. GI tract

Again stimulate vagal efferent motor nuclei

57
Q

What are common differentials for nausea and vomiting?

A
Gastritis
GORD
PUD
Acute gastroenteritis
Food poisoning
Chronic post-viral
Migraine
Motion sickness
BPPV
Stroke 
Hypercalcaemia
Hypothyroidism
Small bowel/colon obstruction
Choledocholithiasis
Cholecystitis
Post-GI surgery
Severe constipation
Irritable bowel syndrome
Anorexia/Bullimia nervosa
Pregnancy
Drug-induced
58
Q

What are urgent presentations of splenomegaly?

A

Sudden pain
Splenic sequestration crisis of sickle cell anaemia
Splenic/Portal vein thrombosis

59
Q

What are some common differentials for splenomegaly?

A
Alcohol induced
Hepatic steatosis
Primary biliary cholangitis
Haemochromatosis
Hodgkin's lymphoma
AML
CML
Polycythemia Vera
RA
Malaria
Thalassaemias
60
Q

Define pruritus

A

an unpleasant sensation that causes a desire to scratch

61
Q

What defines chronic pruritus?

A

Pruritus lasting >6 weeks is defined as chronic pruritus

62
Q

What are some common differentials for pruritus?

A
Atopic dermatitis
Urticaria
Insect bite
Psoriasis
CKD
Depression
Schizophrenia
63
Q

What is rectal prolapse associated with?

A

Associated with childbirth and rectal intussceception.

May be internal or external

64
Q

What is rectal prolapse?

A

e last part of the rectum or bowel

becomes stretched and protrudes (bulging) from the bottom (anus)

65
Q

What are the 3 types of rectal prolapse?

A

Full thickness - protrusion of the full thickness of the rectal wall through the anus.

Mucosal prolapse - the rectal mucosa (not the entire wall) from the anus.

Internal prolapse - a part of the intestine which folds into the
section next to it.

66
Q

What can cause rectal proplase?

A
age
chronic constipation
straining
pregnancy / child birth
poor bowel control
neurological disorders, for example, Dementia
weakness of the pelvic floor
67
Q

What are the symptoms of rectal prolapse?

A
mucus discharge
bulging on straining
sensation of incomplete bowel motion
faecal incontinence
anal pain
constipation
rectal bleeding
68
Q

What is the mangement for rectal prolapse?

A

Delorme’s procedure

69
Q

Define dysphagia

A

difficulty with the act of swallowing solids or liquids

70
Q

What are common differentials for dysphagia?

A
Pharyngitis (throat pain)
Oesophageal candidiasis
Stroke
Oesophageal spasm
GORD
Hiatus hernia
71
Q

What are the 2 mechanisms of N+V?

A

Neurological

Peripheral

72
Q

What causes neurological N+V?

A

Stimulation of the area postrema, which ‘senses’ noxious chemical agents

Stimulates the vagal nuclei which evokes the emesis reflex

73
Q

What causes peripheral N+V?

A

Peripheral disorders e.g. GI stimulate vagal or spinal afferent nerves that conect with the vagal sensory

Tumours, infections, drugs

74
Q

What are some common differentials for vomiting?

A
Gastritis
GORD
PUD
Gastroenteritis
Food poisoning
Post-viral
Migraine
Motion sickness
BPPV
Storke
Hypercalcaemia
Cholecystitis
IBS
Anorexia/Bulimia
75
Q

What can be the consequence of a misplaced NG tube?

A

Aspiration pneumonia and death

many hospitals now require a radiologist to report on these x-rays before the NG tube can be used