Disorders of stomach and duodenum Flashcards

1
Q

Disorders (7)

A

N+V
Hiatus hernia
Dyspepsia
Peptic ulcer

Gastroperesis

  • small stomach syndrome
  • dumping syndrome
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2
Q

Emesis

A

Forceful expulsion of stomach contents

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3
Q

N+V:

Causes

A

Stomach irritation
Radio-/chemo-therapy
Disease
Drug side effect

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4
Q

Hiatus hernia

A

Abnormal bulging of portion on the stomach through diaphragm

Sliding or paraesophageal

Angle of gastro-oesophageal junction altered -> impaired reflux prevention

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5
Q

Hiatus hernia:

Complications

A

Ulcers
Strictures
Barretts oesophagus

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6
Q

Hiatus hernia:

Intervention

A

Weight loss
Avoid foods causing symptoms
Symptom relief of GORD - little + often, avoid fatty + spicy foods
Increase fibre + fluid for constipation

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7
Q

Hiatus hernia:

Diagnosis

A

Barium swallow

Endoscopy

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8
Q

Hiatus hernia:

Risk factors

A
Constipation
Overweight
Tight clothes
Pregnancy
Smoking
>50yr
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9
Q

Dyspepsia

A

Indigestion

Symptoms not a disease

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10
Q

Dyspepsia:

Symptoms

A

Bloating
Early satiety on eating
Abdo pain

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11
Q

Dyspepsia:

Cause

A

GORD
Underlying disease
Poor eating habits

No cause of function dyspepsia

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12
Q

Dyspepsia:

Treatment

A

Antacids
Rule out H. Pylori infection
Lifestyle advice

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13
Q

Dyspepsia:

Alarm features of major pathology

A

Dysphagia
Constant vomiting
Unexplained weight loss
GI blood loss

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14
Q

Peptic ulcer

A

Erosion in mucosal lining

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15
Q

Peptic ulcer:

Treatment

A

Antibiotics

Healthy lifestyle + diet advice to minimise risk of recurrence

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16
Q

Peptic ulcer:

Complications

A

Bleeding

17
Q

Peptic ulcer:

Causes

A

H. Pylori
NSAIDS
Hypersecretion of HCl

18
Q

Peptic ulcer:

Factors which exacerbate

A
Smoking
Stress
Irregular meals
Eating too quickly
Inadequate chewing
19
Q

Gastroperesis

A

Delayed gastric emptying w/o mechanical obstruction

Reduced peristaltic action due to

  • loss gastric pacemaker cells
  • vagus nerve disruption
20
Q

Gastroperesis:

Main causes

A

Idiopathic/unknown
DM
Post surgery

21
Q

Gastroperesis:

Symptoms

A
N+V
Abdo pain
Bloating
Early satiety
Weight loss
22
Q

Gastroperesis:

Diagnosis

A

Gastric emptying scintigraphy

  • meal labelled with isotope
  • x-ray images
    • if >60% meal residue after 2hr or >10% at 4hr
23
Q

Gastroperesis:

Nutritional consequences

A

Signs of malnutrition may be missed
Anorexia or decreased oral intake
Vomiting -> electrolyte imbalance
Poor glycaemic control in DM -> vascular complications

24
Q

Gastroperesis:

Treatment

A

Manage underlying cause, decrease symptoms and restore nutrition + hydration
Pharmacological
Gastric pacemaker
Surgery -> gastrectomy
Diet - little + often, decrease fat + fibre, modify texture?

25
Q

Gastroperesis:

Nutritional support

A
ONS = well tolerated
NJ - if vomiting + not tolerating NG
Continuous > bolus
Fibre free
Extreme -> parenteral
26
Q

Dumping syndrome (2)

A

Early

Late

27
Q

Dumping syndrome:

Early

A

Rapid gastric emptying
Rapid weak pulse, sweating, faintness, hypertension

Advice - decrease simple CHO, avoid liquid with meals, little + often

28
Q

Dumping syndrome:

Late

A

1-3hr after meal
Over production of insulin in response to rapid glucose absorption
Weak, faint, cold

Advice - same, regular starchy CHOs

29
Q

Small stomach syndrome:

Symptoms

A

Decreased food intake
Uncomfortable during/after eating
Bloated
Early satiety

30
Q

Small stomach syndrome:

Consequences

A

Weight loss

Nutritional deficiencies

31
Q

Small stomach syndrome:

Treatment

A

Little + often
Increased nutrient dense meals
Fluid separate from solid foods

32
Q

Small stomach syndrome:

Side effects

A

Diarrhoea
Malabsorption
Weight loss + undernutrition
Bile vomiting