(1)
Royal Free NHS Foundation Trust, London, UK
Causes of dysphagia
Oropharyngeal
Neurological motility disorder: stroke; movement disorders (Parkinson’s disease, progressive supranuclear palsy); amyotrophic lateral sclerosis; multiple sclerosis; bulbar palsy; brainstem tumour; pseudobulbar palsy
Striated muscle disease: myasthenia gravis; myotonic dystrophy; polymyositis; dermatomyositis; inflammatory myopathy; muscular dystrophy
Reduced salivary flow leading to dry mouth (xerostomia): Sjogren’s syndrome; anticholinergics; antihistamines; ACE inhibitors; alpha-adrenergic blockers
Structural lesions: inflammatory: pharyngitis, tonsillar abscess; head and neck tumours; pharyngeal diverticula; ulcerative stomatitis; painful glossitis; anterior marginal cervical osteophytes (especially with diffuse idiopathic skeletal hyperostosis)
Metabolic: hypothyroidism; hyperthyroidism; steroid myopathy
Oesophageal
Solids & liquids (neuromuscular motility disorders)
Progressive: scleroderma; achalasia (progressive dysphagia for both solids and liquids; regurgitation of undigested food and saliva; chest pain; nocturnal cough and aspiration; minimal or no weight loss)
Intermittent: diffuse oesophageal spasm; presby-esophagus (nutcracker oesophagus)
Solids only (mechanical obstruction)
Intermittent: lower oesophageal ring (Schatzki’s ring); hypertensive lower oesophageal sphincter
Progressive: peptic stricture (acid reflux due to gastro-oesophageal reflux disease); oesophageal cancer (progressive dysphagia, odynophagia, regurgitation, chest pain, weight loss, hoarseness of voice); foreign body impaction
Causes of mechanical obstruction
Strictures
Benign (peptic): reflux oesophagitis
Malignant: carcinoma of oesophagus or gastric cardia
Extrinsic compression: bronchial carcinoma; mediastinal lymph nodes; vascular compression; cervical osteoarthritis with vertebral osteophytes; mediastinal tumours
Oesophageal web
Foreign bodies (especially with pre-existing gastrointestinal abnormalities, such as diverticula, webs, rings): food bolus impaction; disc or button battery; coin (oesophageal coins are seen in a coronal alignment on an AP xray); toy parts, marbles
Extrinsic compression: goitre with retrosternal extension; mediastinal tumours; large left atrium
Odynophagia
Oesophagitis: infective (candidal; herpetic; cytomegalovirus); pill-induced (associated with oesophageal dysmotility, stricture or extrinsic compression) (tetracycline, doxycycline; potassium chloride; NSAIDs, aspirin; alendronate); corrosive (caustic ingestion); radiation induced
Oesophageal ulcer
Dysphagia checklist
Evidence of weight loss
Anaemia
Hoarseness of voice
Oral ulceration; signs of candidiasis
Cervical lymphadenopathy
Bulbar signs
Chest signs
Features of caustic ingestion
Oedema of the lips, tongue and palate
Oropharyngeal burns
Drooling of saliva
Dysphagia
Nausea and vomiting
Haematemesis
Shortness of breath
Stridor
Abdominal pain
Features of neurogenic dysphagia
Drooling of saliva
Difficulty in initiating swallowing
Nasal regurgitation
Choking or coughing while feeding
Food sticking in the throat
Nasal tone to speech
Aspiration, with recurrent pneumonia
Features of oropharyngeal dysphagia
Solids handled better than liquids
Difficulty initiating swallowing
Cough and choking during and after swallowing
Nasal regurgitation of liquids
Hesitancy and repeated attempts at the inititation of swallowing
Food sticking in throat
Nasal speech
Changes in the character of the voice
Constant drooling of saliva
Features of oesophageal dysphagia
Sensation of food sticking in chest or throat after swallowing
Recurrent pneumonia
Gastro-oesophageal reflux disease: heartburn; belching; sour regurgitation; waterbrash
Red flags for dysphagia
Progressive painless dysphagia
Unintentional weight loss
Persistent vomiting
Haematemesis
Hoarseness of voice
Systemic symptoms: fever, night sweats
Bulbar neurological signs
Cervical lymphadenopathy
Risk factors for oesophageal cancer
Age >70 years
Smoking
Alcohol consumption (SCC)
Dietary factors
Barrett oesophagus
Gastro-oesophageal reflux disease (adenocarcinoma)
Excessive ingestion of very hot liquids (SCC)
Caustic ingestion (SCC)
Achalasia (SCC)
Plummer-Vinson syndrome (SCC)
Dysphagia evaluation checklist
All: FBC, U&E, LFTs, bone profile, CXR (mediastinal widening, absence of gastric air bubble, extrinsic mass)
Oropharyngeal: direct laryngoscopy; video fluoroscopy
Oesophageal: endoscopy; barium swallow; oesophageal manometry
Possible presentations of gastro-oesophageal reflux disease
Gastrointestinal: heartburn; regurgitation; waterbrash; globus sensation of lump in neck or throat; dysphagia (erosive oesophagitis; peptic stricture (intermittent solid food dysphagia in a patient with heartburn); adenocarcinoma of oesophagus); odynophagia; hiccups; epigastric pain, dyspepsia; vomiting; erosion of dental enamel
Pulmonary: chronic nocturnal cough; asthma; sleep apnoea; aspiration; recurrent pneumonia; interstitial pulmonary fibrosis; acute life-threatening episodes
ENT: sore throat; hoarseness; laryngitis; chronic sinusitis; vocal cord granulomas; sub-glottic stenosis
Atypical chest pain
Dystonic movements: Sandifer’s syndrome (gastro-oesophageal reflux associated with torsional dystonia of the head, neck, eyes and trunk, and opithostonic posturing)
Risk factors for gastro-oesophageal reflux
Smoking
Alcohol ingestion
Obesity
Drugs: NSAIDs; calcium channel blockers; nitrates; benzodiazepines
Systemic disease: diabetes mellitus with autonomic neuropathy; scleroderma
Sleep apnoea
Causes of odynophagia
Infectious oesophagitis
Gastrooesophageal reflux/stricture
Pill-induced ulceration
Radiation oesophagitis
Caustic stricture
Foreign body
Cancer
Causes of infective oesophagitis
Fungal infections: candida albicans
Risk factors
Immunocompromised: HIV infection; transplant recipient; immunosuppressive therapy
Immunocompetent: prolonged antibiotic therapy; acid suppressive therapy; oesophageal motility disorders; diabetes mellitus; head and neck radiation therapy
Viral infections: herpes simplex; cytomegalovirus; Epstein-Barr virus
Bacterial infections
Protozoal infections
Abdominal pain mechanisms
Peritoneal irritation
Visceral obstruction
Visceral ischaemia
Visceral inflammation
Abdominal wall pain
Referred pain
Patterns of abdominal pain
Parietal: irritation of parietal peritoneum
Pain in dermatome distribution
Well localised
Sharp
Clear onset
Visceral: stretch, distension, contraction (spasm), compression or torsion of a hollow viscus
Referred pain in embryonic distribution
Poor localisation
Dull and aching
Insidious onset
Referred
Dermatomal perception of visceral pain
Organ | Site of pain | Dermatomes |
---|---|---|
Stomach | Epigastrium | T6-T10 |
Small bowel | Umbilical | T9-T10 |
Gallbladder | Epigastrium | T7-T9 |
Pancreas | Epigastrium | T6-T10 |
Colon up to splenic flexure | Umbilical | T11-L1 |
Colon from splenic flexure | Hypogastrium | L1-L2 |
Testis and ovary | Umbilical | T10-T11 |
Causes of abdominal pain
(the site of origin of pain may be related to the source of the underlying causative pathology)
Diffuse pain
Aortic aneurysm: leaking; ruptured
Aortic dissection
Early appendicitis
Bowel obstruction
Diabetic gastric paresis; diabetic ketoacidosis
Gastroenteritis (vomiting precedes abdominal pain)
Heavy metal poisoning
Hereditary angioedema
Mesenteric ischaemia
Volvulus
Metabolic disorder: Addisonian crisis, ketoacidosis (diabetic, alcoholic), acute intermittent porphyria (attacks of severe diffuse abdominal pain, associated with nausea and vomiting, constipation, muscle weakness, urine retention, and sometimes confusion, hallucinations and seizures; increased urine delta-aminolaevulinic acid and porphobilinogen; atatcks may be precipitated by hormonal changes, drugs, reduced calorie intake, alcohol, and emotional stress), uraemia
Opioid withdrawal
Pancreatitis
Perforated bowel
Peritonitis from any cause
Sickle cell crisis
Malaria
Familial Mediterranean Fever
Abdominal wall pain (Carnett sign: pain is increased on tensing abdominal wall by lifting head and shoulders off the examination table while supine)
Spiegelian, incisional hernia
Rectus sheath haematoma (abdominal wall mass with bruising; risk factors include old age, anticoagulant therapy, trauma, injection procedures, physical exercise, and raised intra-abdominal pressure fro coughing, sneezing or vomiting)
Muscle strain
Right upper quadrant pain
Biliary disease: Biliary colic; acute cholecystitis (Murphy’s sign of inspiratory arrest due to pain on inspiration during right subcostal palpation with hand or ultrasound probe; jaundice in 20–25% cases); choledocholithiasis, cholangitis
Hepatic disease: acute hepatitis; liver abscess; hepatic congestion; liver tumour
Perihepatitis (Fitzhugh-Curtis syndrome): may be associated with signs of salpingitis
High retrocaecal appendicitis; appendicitis complicating pregnancy
Perforated duodenal ulcer
Perinephritis
Pulmonary: right lower lobe pneumonia; pleuritis; pulmonary embolism; empyema
Myocardial ischaemia
Herpes zoster
Causes of tender palpable right subcostal mass
Empyema of gallbladder (suppurative cholecystistis).
Gall bladder perforation with abscess
Omental phlegmon
Carcinoma of the gall bladder
Risk factors for cholesterol gallstones
Increased bile cholesterol concentration
Increasing age
Female gender
Obesity
Pregnancy and multiparity
Rapid weight loss (>1.5 kg/week), including during treatment for morbid obesity
Hypertriglyceridaemia
Low LDL cholesterol
Diabetes mellitus
Drugs: oestrogens, octreotide, ceftriaxone
Reduced bile acid pool
Ileal disease (Crohn’s disease; terminal ileal resection/ bypass)
Primary biliary cirrhosis
Hepato-biliary causes of right upper quadrant pain in pregnancy
Not unique to pregnancy
Viral hepatitis
Budd-Chiari syndrome
Hepatic malignancy
Biliary colic
Choledocholithiasis
Cholangitis
Cholecystitis
Unique to, or highly associated with, pregnancy
Pre-eclampsia or eclampsia
HELLP (haemolysis, elevated liver enzymes and low platelet count) syndrome (third trimester)
Acute fatty liver of pregnancy
Hepatic haemorrhage or rupture
Symptomatic choledochal cysts
Left upper quadrant pain
Splenic: splenic rupture/distension; splenic infarction; splenomegaly (spontaneous splenic rupture can present with referred left shoulder pain from diaphragmatic irritation-Kehr’s sign, and a tender left upper quadrant mass-Ballance’s sign, and is associated with infections (infectious mononucleosis and malaria) and haematological malignancy (lymphoma and leukaemia)
Ruptured splenic artery aneurysm
Gastritis
Perforated gastric ulcer
Jejunal diverticulitis; diverticulitis affecting the splenic flexure
Pancreatitis
Pulmonary: left lower lobe pneumonia; pleuritis; empyema
Cardiac: pericarditis; myocardial ischaemia
Herpes zoster
Right lower quadrant pain
Colonic: acute appendicitis; acute enterocolitis; caecal diverticulitis; colonic obstruction; torsion of appendices epiploicae; epiploic appendagitis
Small bowel: Crohn’s disease (terminal ileitis); Meckel’s diverticulitis; small bowel obstruction; intusussception (triad of vomiting, abdominal pain and currant jelly stools)
Foreign body perforation
Mesenteric adenitis
Perforated peptic ulcer
Gynaecological: ovarian cyst accident (including mittelschmerz)- rupture, torsion; endometriosis; pelvic inflammatory disease(salpingitis); ectopic pregnancy
Cholecystitis
Vascular: aortic aneurysm: leaking; ruptured; ruptured iliac artery aneurysm
Renal: renal/ureteric colic; pyelonephritis
Psoas abscess
Inguinal hernia: incarcerated; strangulated
Testicular torsion
Seminal vesiculitis
Rectus sheath haematoma
Herpes zoster
Left lower quadrant pain
Colonic: diverticulitis (sigmoid); acute appendicitis (with situs inversus); perforated colonic cancer; Crohn’s colitis; ischaemic colitis; colonic obstruction
Vascular: aortic aneurysm: leaking; ruptured; ruptured iliac artery aneurysm
Gynaecological: ovarian cyst accident (including mittelschmerz),-torsion, rupture); endometriosis;pelvic inflammatory disease(salpingitis); ectopic pregnancy
Renal: renal/ureteric colic; pyelonephritis
Psoas abscess
Testicular torsion
Inguinal hernia: incarcerated; strangulated
Seminal vesiculitis
Rectus sheath haematoma
Herpes zoster
Potential causes of non-specific abdominal pain
(diagnosis of exclusion)
Viral infection
Parasitic infestation
Gastroenteritis
Mesenteric adenitis
Ovulatory pain
Lesions of appendices epiploicae of colon
Medical causes of acute abdominal pain
Intra-thoracic: inferior ST elevation myocardial infarction; pericarditis; lower lobe pneumonia; pulmonary embolism; oesophageal disease
Endocrine/ metabolic: diabetic ketoacidosis; acute adrenocortical insufficiency; acute intermittent porphyria; hyperlipidaemia; Familial Mediterranean Fever
Drug induced: opioid withdrawal; lead poisoning
Haematological: sickle cell crisis; acute leukaemia
Central nervous system: pre-eruptive phase of herpes zoster; spinal nerve root compression
Causes of peritonitis
Hollow viscus perforation: stomach (gastric ulcer; gastric cancer); duodenum (duodenal ulcer); small bowel (mesenteric ischaemia and infarction); colon (divericulitis; cancer; inflammatory bowel disease); appendix (appendicitis); gallbladder (cholecystitis)
Abdominal trauma: blunt; penetrating
Foreign body ingestion
Anastomotic leakage
Spontaneous bacterial peritonitis: ascites from portal hypertension; nephrotic syndrome
Pelvic inflammatory disease
Abdominal pain evaluation
History
SOCRATES to characterize pain (allow the patient to describe the pain initially without any leading questions)
Site and duration
Onset: sudden versus gradual; sudden onset suggests a vascular emergency (mesenteric ischaemia; ruptured abdominal aortic aneurysm), volvulus, intestinal perforation or torsion of hollow viscus
Character: sharp, dull, aching, colicky, burning
Radiation: shoulder, back, groin or testicle
Timing: intermittent, constant
Exacerbating (aggravating factors): movement (worsens pain in peritonitis), position, food, medications, and alleviating factors: rest.
Severity
Associated symptoms: fever; nausea and vomiting; diarrhoea/constipation; haematemesis/ melaena; fresh rectal bleeding; dysuria/ haematuria
Physical examination checklist
Vital signs; tachypnoea may be related to metabolic acidosis, hypoxaemia, or catecholamine-induced pain response; signs of hypovolaemia: tachycardia, postural hypotension
Localisation of maximal tenderness and guarding
Signs of peritonitis: tenderness, guarding (abdominal wall rigidity), percussion tenderness, rebound tenderness (gentle depression of the abdominal wall for 15 to 30 minutes, followed by sudden release of pressure), generalised ileus, fever
Specific signs: Carnett’s sign: increased pain on tensing abdominal wall when a supine patient lifts the head and shoulders off the bed; Murphy’s sign: inspiratory arrest on deep palpation of right upper quadrant; psoas sign (passive hip extension is painful, with the patient in the lateral decubitus position); Rovsing’s sign (pressure in the left lower quadrant produces rebound pain in the right lower quadrant on release of the pressure); obturator sign (flexion with external and internal rotation of the hip is painful)
Abdominal mass
Aortic tenderness or enlargement (bedside ultrasound may be useful)
Hernial orifices
External genitalia
Bowel sounds: absent; normal; hyperactive; tinkling
Rectal examination
Bimanual pelvic examination
Special considerations with assessment of acute abdominal pain in the elderly
Difficulty in obtaining a history caused by impaired cognitive function (eg dementia)
Atypical presentations
Lack of typical clinical findings (eg peritonitis without peritonism)
Multiple co-morbidities
Medications that block physiological responses leading to difficulty in assessment (eg beta-blockers)
Decreased immune function, leading to increased severity of disease
Causes of acute abdominal pain and shock (indicative of hypovolaemia and/or sepsis)
Perforated hollow viscus: perforated peptic ulcer
Massive haemorrhage: spontaneous splenic rupture; leaking abdominal aortic aneurysm; ruptured ectopic pregnancy
Acute arterial occlusion: mesenteric accident (superior mesenteric artery embolism/ thrombosis, mesenteric venous thrombosis, non-occlusive mesenteric ischaemia); strangulation obstruction
Third space losses of fluid: acute pancreatitis
Cardiac: acute inferior STEMI
Causes of haemoperitoneum
Trauma: penetrating; blunt (liver, spleen)
Vascular accident: ruptured aneurysm of abdominal aorta, splenic artery, or iliac artery
Gynaecological: ruptured ectopic pregnancy; ruptured ovarian cyst (follicular cyst; endometriotic cyst)
Ruptured intra-abdominal neoplasm: hepatocellular carcinoma; hepatic adenoma; pelvic tumours (malignant ovarian masses; uterine sarcomas)
Spontaneous rupture of spleen
Anticoagulant therapy
Causes of referred abdominal pain
Cardiac: inferior STEMI; congestive heart failure with hepatic congestion
Pulmonary: lower lobe pneumonia; pulmonary embolism
Presentations of ruptured abdominal aortic aneurysm
(infra-renal aortic diameter 3 cm or more)
Triad of abdominal, flank or back pain, acute hypotension and pulsatile abdominal mass; a tender aneurysmal mass is indicative of an aortic emergency
Ureteric colic
Rupture into inferior vena cava (aorto-caval fistula): high-output congestive heart failure
Rupture into duodenum (aorto-duodenal fistula): upper gastrointestinal bleeding
Acute testicular pain and bruising
Inguinoscrotal mass mimicking hernia
Rupture into left renal vein: massive haematuria
Iliofemoral venous thrombosis from ilio-caval compression
Acute lower limb ischaemia
Chronic contained rupture, with lumbar neuropathy
Other potential presentation of abdominal aortic aneurysm:
Duodenal compression
Hydronephrosis
Ureteric obstruction and renal pain
Thrombo-embolic phenomena: femoral; popliteal; microemboli(trash foot: tip necrosis of toes; small punctate pretibial ischaemic lesions
Acute thrombosis, resembling saddle embolus
Bedside ultrasound diagnosis of abdominal aortic aneurysm
Abdominal aortic aneurysm is dilatation of the aorta greater than 3 cm or 1.5 times the normal diameter for that person
Maximum aortic diameters at different levels
Level of diaphragm 2.5 cm
Level of renal arteries 2 cm
Bifurcation 1.5–2 cm
Iliac arteries just distal to the bifurcation 1 cm
Atypical presentations of acute appendicitis
Acute right upper quadrant or loin pain: retro-caecal or retro-colic appendicitis
Gastroenteritis: diarrhea and vomiting: pre-and post-ileal appendicitis
Acute right lower quadrant pain with psoas irritation
Acute small bowel obstruction
Dysuria and pyuria; microscopic haematuria: sub-caecal and pelvic appendicitis
Alvarado Score (MANTRELS) for diagnosis of acute appendicitis
SYMPTOMS
Migration of pain to the right lower quadrant = 1
Anorexia = 1
Nausea or vomiting = 1
SIGNS
Tenderness in the right lower quadrant = 2
Rebound tenderness = 1
Elevated temperature: fever of 37.3 C or more = 1
LABORATORY TESTS
Leukocytosis >10,000 white blood cells per microlitre in the serum = 2
Left shift of leukocytes = 1
Total = 10
Score
5 or 6: Compatible with the diagnosis of acute appendicitis
7 or 8: Probable appendicitis
9 or 10: Very probable acute appendicitis
Investigations for abdominal pain
Venous blood: full blood count, urea and electrolytes, CRP, liver function tests (right upper quadrant pain), amylase/lipase, glucose; blood gas analysis
12 lead ECG
Ultrasound/CT
Urine dipstick
Urine beta-HCG (all women of child bearing age)
Red flags for abdominal pain
Severe pain
Signs of shock
Abdominal distension
Signs of peritonitis
Failed initial treatment
Haemodynamic disturbance
Causes of loin pain
Renal: pyelonephritis; calculus; neoplasm; infected obstructed kidney; abscess; infarction; pelvi-ureteric obstruction
Aortic: leaking aneurysm; dissection
Radiculopathy
Muscle strain
Herpes zoster
Retroperitoneal fibrosis
Causes of hyperamylasemia
(rises 2–12 h after initiating insult, and remains elevated 3–5 days).
Pancreatic causes
Acute pancreatitis; acute exacerbation of chronic pancreatitis
Pancreatic cancer
Non-pancreatic intra-abdominal emergencies
Ruptured ectopic pregnancy
Peritonitis
Perforated hollow viscus (peptic ulcer disease with perforation
Intestinal obstruction
Mesenteric ischaemia/infarction
Biliary tract disease; acute cholecystitis; choledocholiathiasis
Aortic dissection
Acute appendicitis
Acute salpingitis
Miscellaneous
Salivary gland disease
Pregnancy
Tumour
Burns
Renal disease: chronic kidney disease
Diabetes ketoacidosis
Macroamylasaemia
Features of acute pancreatitis
Sudden onset of upper abdominal pain, radiating to the mid-thoracic area of the back; continuous, severe, reduced on sitting up or leaning forwardsFull access? Get Clinical Tree