Abdominal distension

abdominal distentiondistensiondistended abdomendistendedgas distensiondistended stomachswollen bellybloated stomachswelling of the abdomen
Abdominal distension occurs when substances, such as air (gas) or fluid, accumulate in the abdomen causing its expansion.wikipedia
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Bloating

bloatedgasabdominal bloating
People suffering from this condition often describe it as "feeling bloated".
Although this term is usually used interchangeably with abdominal distension, these symptoms probably have different pathophysiological processes, which are not fully understood.

Flatulence

fartflatusflatulent
Through a variety of causes (see below), bloating is most commonly due to buildup of gas in the stomach, small intestine or colon.
These definitions highlight that many people consider "bloating", abdominal distension or increased volume of intestinal gas to be synonymous with the term flatulence (although this is technically inaccurate).

Irritable bowel syndrome

IBSirritable bowelbowel
Other causes of bloating include inflammatory bowel diseases such as Crohn's disease and ulcerative colitis, irritable bowel syndrome, diabetes, functional dyspepsia or transient constipation.
There may also be urgency for bowel movements, a feeling of incomplete evacuation (tenesmus), bloating, or abdominal distension.

Coeliac disease

celiac diseasecoeliacceliac sprue
Celiac disease
Classic symptoms include gastrointestinal problems such as chronic diarrhoea, abdominal distention, malabsorption, loss of appetite and among children failure to grow normally.

Eosinophilic gastroenteritis

eosinophilic enteritis
Eosinophilic gastroenteritis
EG typically presents with a combination of chronic nonspecific GI symptoms which include abdominal pain, diarrhea, occasional nausea and vomiting, weight loss and abdominal distension.

Ascites

ascitic fluidperitoneal effusionfluid build up in the abdomen
Ascites
Mild ascites is hard to notice, but severe ascites leads to abdominal distension.

Constipation

constipatedobstipationchronic constipation
Other causes of bloating include inflammatory bowel diseases such as Crohn's disease and ulcerative colitis, irritable bowel syndrome, diabetes, functional dyspepsia or transient constipation.
Other symptoms related to constipation can include bloating, distension, abdominal pain, headaches, a feeling of fatigue and nervous exhaustion, or a sense of incomplete emptying.

Bowel obstruction

intestinal obstructionobstructionsmall bowel obstruction
In rare cases, bloating may occur in individuals who have milk intolerance (lactose intolerance), parasite infections like giardia, food poisoning (bacteria), celiac disease, severe peptic ulcer disease, bowel obstruction or after certain types of abdominal surgery.
Depending on the level of obstruction, bowel obstruction can present with abdominal pain, swollen abdomen, abdominal distension, vomiting, fecal vomiting and constipation.

Gastric distension

distendeddistension
* Gastric distension
* Abdominal distension

Gastric dilatation volvulus

gastric torsionbloatGDV (gastric dilatation-volvulus)
The word bloat is often used as a general term to mean gas distension without stomach torsion (a normal change after eating), or to refer to GDV.

Horse colic

coliccolickycolic in horses
The intestine becomes distended due to the trapped fluid and gas production from bacteria.

Ogilvie syndrome

pseudo-obstruction
Usually the patient has abdominal distention, pain and altered bowel movements.

Immature teratoma

The most common symptoms noted are abdominal distension and masses.

Abdominal examination

abdominal palpationAbdominalabdominal auscultation
abdominal distension

Vasopressin (medication)

It is used to treat abdominal distension following some surgeries, and in stomach roentgenography.

Anorexia nervosa

anorexiaanorexicanorexics
Abdominal distension.

Neuroblastoma

neuroblastoma cellsa rare form of cancerneuroblastoma cancer
In the abdomen, a tumor may cause a swollen belly and constipation.

Wikstroemia indica

W. indica is toxic and the poisoning caused by W. indica leads to dizziness, blurred vision, nausea, vomiting, abdominal distension, abdominal pain and diarrhea.

Abdominal trauma

abdominal injuriesabdominalblunt abdominal trauma
The injury may present with abdominal pain, tenderness, distension, or rigidity to the touch, and bowel sounds may be diminished or absent.

Ileus

paralytic ileusintestinal obstructionbowel paralysis
abdominal distension

Tympanites

meteorismtympanydistension from gas
Tympanites (from the Greek τύμπανο, "drum"), also known as meteorism, is a medical condition in which excess gas accumulates in the gastrointestinal tract and causes abdominal distension.

Neutropenic enterocolitis

typhlitis
Signs and symptoms of typhlitis may include diarrhea, a distended abdomen, fever, chills, nausea, vomiting, and abdominal pain or tenderness.

Palpation

palpablepalpatedpalpate
Examples include pulses, abdominal distension, cardiac thrills, fremitus, and various hernias, joint dislocations, bone fractures, and tumors, among others.