Complications and Emergenciesnursingnetwork-groupdata.s3.amazonaws.com/SGNA/Heartland_Regi… ·...
Transcript of Complications and Emergenciesnursingnetwork-groupdata.s3.amazonaws.com/SGNA/Heartland_Regi… ·...
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Gastrointestinal
Emergencies
Candice M. Quillin BSN CGRN
September 27, 2014
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Objectives
List four gastrointestinal emergencies
and complications.
Identify signs and symptoms of a variety
of gastrointestinal emergencies.
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What’s coming up
Perforations
Obstructions
Pancreatitis
GI Bleed
Variceal Bleed
Adverse Drug Reaction
Respiratory arrest
Cardiac Arrest
Shock
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Perforations……..
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Perforation
Upper GI tract
Cervical Esophagus
Crycopharyngeal
Thoracic Esophagus
Distal Esophagus
Boerhaave’s Syndrome
Gastric
Duodenal
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Crycopharyngeal tear
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Boerhaave’s
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Boerhaave’s
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Early Diagnosis <48 hrs
Sepsis
Pleural
cavity
involved
Thoracotomy with
resection of tear.
Hemifundoplication and
pleura/mediastinal
drainage.
Laparotomy if intra-
abdominal leakage
Late Diagnosis >48 hrs
No Sepsis or
pleural cavity
involvement
Endoscopic
treatment
without pleural
drainage.
Conservative
Treatment
No
Sepsis Sepsis
Treatment algorithm for Boerhaave’s Syndrome
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Esophageal Tear
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Tear/Fistula
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Gastric Ulcer to Perforation
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Gastric perforation
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Small Bowel perforation
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Colon Perforation with
Ischemic Bowel
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Obstructions
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Esophageal Obstruction
Causes of Obstructions of Esophagus:
Strictures
Cancer
Bacterial/viral infections
Foreign body
Anatomy anomalies
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Esophageal Obstruction due to
Achalasia
Achalasia ( peristalsis is absent with
increased LES pressures and incomplete
esophageal relaxation) Eventually
esophagus dilates above LES storing
large volumes of food and liquids.
Occurs 1 in 100,000 Americans most often
between the ages of 20 and 60.
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Achalasia
Symptoms include dysphagia, painful
swallowing, substernal chest pain, bad
breath, difficulty burping, weight loss and
malnutrition
Patient will swallow by stretching neck
back and lifting shoulders to help get
food down.
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Achalasia
Diagnosis: Chest Xray can reveal
dilated esophagus and empty stomach,
but does not confirm
Barium swallow good screening tool
Esophageal manometry confirms
diagnosis
Endoscopy allows physician to see.
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Achalasia
Treatment : Aim is to weaken LES.
Drugs: Nitrates and calcium channel
blockers
Balloon Dilation of LES
Surgery: Myotomy – good success
Botox: paralyzes the nerves
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Achalasia
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Gastric Outlet Obstruction
Obstruction of the pyloric sphincter at the
outlet of the stomach blocks the flow of
gastric contents into the duodenum
Symptoms:
Vomiting partially digested food
Gastric pain especially with eating
Satiety relieved by vomiting
Metabolic alkalosis as a result of frequent
vomiting
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Gastric Outlet Obstruction
Treatment:
Restoration of fluid and electrolytes
Decompression of the stomach
Pyloric dilatation
Surgery if necessary
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Bezoars
Compositions of foreign materials found in
the stomach that may cause gastric
outlet obstruction and abdominal pain.
Composed of vegetable or plant material
or hair.
Treatment is EGD or surgery with removal
of the matter.
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Bezoar
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Pancreatitis
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Acute Pancreatitis “Autodigestion of pancreas due to
inappropriate activation of pancreatic
enzymes” causing a severe inflammation
of the pancreas
Causes:
ETOH
Obstruction of ducts
Biliary disease
Mumps, scarlet fever
Endocrine disorders
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Pancreatitis
Initial management of a patient with
acute pancreatitis consists of
supportive care with fluid
resuscitation, pain control, and
nutritional support.
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Pancreatitis
Patients with moderately severe or
severe acute pancreatitis, signs of
sepsis, or clinical deterioration 72 hours
after initial presentation be assessed for
presence of pancreatic or
extrapancreatic necrosis and local
complications
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Pancreatitis
Serum amylase rises within 6 to 12 hours of the onset of acute pancreatitis.
Amylase has a short half-life of approximately 10 hours and in uncomplicated attacks returns to normal within three to five days.
Serum amylase elevation of greater than three times the upper limit of normal has a sensitivity for the diagnosis of acute pancreatitis
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Pancreatitis
Serum lipase has a sensitivity and
specificity for acute pancreatitis ranging
from 82 to 100 percent
Serum lipase rises within four to eight
hours of the onset of symptoms, peaks
at 24 hours, and returns to normal within
8 to 14 days
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Pancreatitis
Trypsinogen activation peptide (TAP), a five amino-acid peptide that is cleaved from trypsinogen to produce active trypsin, is elevated in acute pancreatitis
Activation of trypsin is likely an early event in the pathogenesis of acute pancreatitis
TAP may be useful in detection of early acute pancreatitis and as a predictor of the severity of acute pancreatitis
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Pancreatitis
Patients with pancreatitis
May have leukocytosis
May have elevated hematocrit from hemoconcentration due to extravasation of intravascular fluid into third spaces
May have metabolic abnormalities including elevated blood urea nitrogen (BUN), hypocalcemia, hyperglycemia, and hypoglycemia
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Pancreatitis
S&S:
Acute onset of a persistent, severe, epigastric
pain with tenderness on palpation on physical
examination.
Acutely ill with severe pain, guarding, rigidity
of abdomen, hypotension, respiratory
distress, and symptoms of shock.
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Pancreatitis
Turner’s sign
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Acute Pancreatitis
Interventions: hemodynamic monitoring,
antibiotics, pain management, body
positioning – sidelying, knees flexed,
HOB up.
Treatment: Remove potential causes
necrotic pancreatic tissue, gallstones
(cholecystectomy, ERCP), repair
problems within biliary system with
stents, drain abscesses, etc.
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G I Bleed
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How do you recognize bleeding
in GI tract?
Bright red blood coating stool
Dark blood mixed with stool
Black or tarry stool
Bright red blood in vomit
Coffee ground emesis
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What are the sx’s of acute
bleed?
Visually seeing bright red blood in stool and emesis
Sudden weakness
Shortness of breath
Dizziness
Crampy abdomen
Faintness
Diarrhea
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What are sx’s of Chronic
bleeding
Black tarry stools
Coffee ground emesis
Weakness
Fatique
Shortness of breath
Lethargy
Faintness
Pale lips and nailbeds
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Acute vs Chronic
Some differences between acute and
chronic low Hgb and Hct:
Acute
Symptoms of shock may be present
Sudden pallor
Obvious bleed
Chronic
History of weakness over weeks
History of gradual increase in SOB
History of dark stools
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Emergency GI Bleed– Nurses
Role
Review assessment made – Review labs.
2 large bore IV sites are preferable.
Type and Cross match completed or being done.
Blood ordered or hanging if severe anemia
Platelets, other blood products, etc
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Emergency GI Bleed– Nurses
Role
Be prepared to Lavage Stomach
Be prepared to Suction patient orally.
Keep patient on right lateral position if at all possible.
Get additional support from other nurses to help with blood transfusions and additional fluids, etc.
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Lab Values with Suspected GI
Bleed
Anemia –A condition in which RBC’s
are below normal
Hemoglobin –Serves as a vehicle for
transport of Oxygen and Carbon
Dioxide within the RBC’s
Hematocrit – measures the RBC mass
by measuring space occupied by
Packed RBC’s; the % of RBC’s in
volume of whole blood
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Lab Values with suspected GI
Bleed
Things to keep in mind when looking at H&H:
Hematocrit may or may not be reliable immediately
after an acute GI Bleed.
Patients with COPD & CHF may have an abnormally
high Hemoglobin before bleed.
If erythrocytes are normal, Hematocrit is roughly 3
times higher than Hemoglobin.
If Hgb is low – keep in mind when sedating that
patient has a decreased O2/CO2 carrying capacity
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Lab Values if suspected GI
Bleed
BUN/ Creatinine
BUN – measures the amount of urea
nitrogen in blood
GI Bleed increases BUN therefore affects
ratio
If BUN is 100 or over patient has had a
severe GI bleed
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Summary
Evaluation of the GI Bleed
Laboratory studies should include CBC and platelets, PT/PTT, electrolytes, BUN/creatinine
(GI bleeders will frequently have elevated BUN secondary to the increased ingestion of nitrogen from digested blood).
Physical examination often reveals hyperactive bowel sounds secondary to intraluminal blood.
Endoscopy may be done acutely for upper GI bleeding to help define the source and treat endoscopically if able.
Angiography or nuclear medicine studies can be useful to localize lower GI bleeding.
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Mallory Weis Tear
History : Prolong forceful vomiting
Increased esophageal intraluminal pressure
Due to: Seizures, Childbirth, Coughing, straining at defecation, weighlifting
Pathology: Submucosal and mucosal without perforation
Imaging: Chest Radiograph: normal
Diagnosis is almost always made by
endoscopy
Rarely does esophagram show if incomplete tear
Rarely does angiography show bleeding site
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Mallory-Weiss Tears
Esophageal tear occurring most often at
the esophagogastric junction. Occurs in
8% of all upper GI bleeds.
Treatment:
Cautery or injection of bleeding area.
Liquid or soft diet
Avoidance of sharp foods
Carafate to heal and protect the
esophagus
Surgery if perforated through esophagus.
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Mallory-Weiss Tear
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Esophageal Varices
Engorged vessels in the submucosa of the
esophagus and may be caused by portal
hypertension as a result of chronic
hepatitis; alcoholic cirrhosis; portal vein
thrombosis; or congenital anomalies
such as biliary atresia
Diagnosis made most often as an upper GI
bleed (12% of all upper GI Bleeds) and
subsequent EGD
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Esophageal Varicies - Grading
When esophageal varices are discovered, they are
graded according to their size, as follows:
Grade 1 – Small, straight esophageal varices
Grade 2 – Enlarged, tortuous esophageal varices
occupying less than one third of the lumen
Grade 3 – Large, coil-shaped esophageal varices
occupying more than one third of the lumen
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Variceal Bleed
Phases
Acute phase -Starts with onset of active hemorrhage Later phase -Period of 6wks following cessation of active bleeding -Greatest risk within 48-72hr -50% of rebleeds occur within first 10 days
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Variceal Bleed
Variceal Hemorrhage
-1/23 of all deaths related to cirrhosis
-Four major issues
1) Prediction of pts at risk
2) Therapy against a first bleed
3) Treatment of an active bleed
4) Prevention of rebleeding
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Variceal Bleed Therapies
Endoscopic Treatment
-Sclerotherapy
-Variceal band ligation
Other Therapies
-Balloon tamponade
-Transjugular intrahepatic portosystemic
shunt (TIPS)
-Surgical therapy
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Therapy for Variceal Bleed
Somatostatin and Octreotide
Theoretical benefit due to: -Reduced splanchnic blood flow -Inhibition of gastric acid secretion -Gastric cytoprotective effects
Purpose - Decrease release of GI hormones and hepatic blood flow and portal HTN Stabilization until definitive therapy can be performed
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Nurses Role - Varices
Esophageal Varices
• Vasopressin has been shown to be no more effective
than placebo in controlling bleeding from esophageal varices or
other upper GI sources.
• The combination of sclerotherapy and octreotide (a synthetic somatostatin analog, 25 μg/hour) is superior to sclerotherapy alone in controlling acute variceal bleeding in patients with cirrhosis.
• Transjugular intrahepatic portosystemic shunt (TIPS).
This is regarded as a safe and established means of treating variceal hemorrhage in patients with portal hypertension who fail sclerotherapy.
• The combined use of a beta-blocker and nitrate has been shown to reduce portal pressure
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Esophageal varices
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Esophageal Varicies
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Esophageal varcies
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GI Bleed
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Assessment leads you to believe
patient is an Upper GI Bleed –
possible Peptic Ulcer
Epigastric pain
Pale
Skin cool to touch
Patient tachycardic
c/o Lightheadedness
Melena
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Complications of Peptic Ulcer
Disease (PUD)
Hemorrhage – 15% of all ulcer patients, hematemesis
and/or black stools
Perforation – 5-7% occurrence; ulcer has eroded
through stomach wall and has spilled into the
peritoneum
Penetration – ulcer has eroded into another organ
Obstruction – Pylorus becomes edematous and does
not allow chyme to pass
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PUD
Treatment:
Control bleeding
Fluid and electrolyte replacement
Presence of perforation or penetration –
antibiotics and surgery
Presence of obstruction – NG tube for
decompression, Dilation, surgery.
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PUD continued
Nursing interventions : patient education
regarding medications and importance of
adhering to dosing schedules; elimination
of coffee, caffeine, spicy foods,
carbonation, alcohol, chocolate and any
other food that has caused pain and
discomfort; small meals; smoking
cessation; avoidance of aspirin and
NSAIDS (if aspirin use is necessary then
enteric coated is best)
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Emergency Endoscopy –
Nurses Role
Equipment setup
Try to be aware of what performing physician likes
to use and be prepared to use them.
BICAP
Endo Clips
Epinephrine therapy
Saline injection
APC
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Peptic Ulcer
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Large Ulcer
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Bleeding Ulcer
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Ulcer post BICAP
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Surgery
Surgery is required if an ulcer fails to heal from medical therapies or is complicated by uncontrolled bleeding, perforation or obstruction.
Types Vagotomy – Cutting one or more nerves to
stomach
Pylorplasty – Widening the opening of the pylorus
Partial Gastric Resection. – Removing part of stomach or duodenum affected by ulcer
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Surgical ulcer removal
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Other Causes of Gastric Bleed
Gastric Varicies
Gastric Carcinoma
Dieulafoys lesion
Arterial-Venous Malformations
Gastritis
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Dieulafoy’s Lesion
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Nurses role – UGI Bleed
Upper GI bleeding.
• Start IV fluid resuscitation and manage shock
• An NG tube should be placed to document the source
and relative rate of bleeding (blood is usually present in
the NG aspirate during an upper GI bleed).
• H2-antagonist therapy with either cimetidine (300 mg) or
ranitidine (50 mg) can be given IV but will not act to slow current
bleeding.
• Transfusions--whole blood, platelets, other blood products.
• Endoscopy and endoscopic therapy is the treatment of
choice if possible.
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Nurses role LGI BLeed
Lower GI Bleeding
Start IV fluid resuscitation and manageshock
Work-up may include colonoscopy, barium
enema, selective angiography, and
radionuclide bleeding studies.
Surgical consultation should be obtained
in case operative intervention is needed.
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Meckel’s Diverticulum
Diagnosis:
Meckel’s scan – a radiology contrast
study
Treatment:
Surgical removal of the diverticulum or
resection of the ileum
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Mekel’s DIverticulum
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A congenital anomaly outpouching of the
ileum which contains normal tissues as
well as gastric and pancreatic tissue.
These abnormal tissues for the ileum
secrete acid and pepsin and can cause
ulcerations of the ileum.
Symptoms:
Abdominal pain
Bilious vomiting
Red “currant jelly” like stools
Meckel’s Diverticulum
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Overview of GI Bleed
Because GI bleeding is internal, it is possible for a person to have GI bleeding without symptoms.
Important to recognize those symptoms which may accompany GI bleeding.
Basically, the symptoms of possible GI bleeding vary, depending upon whether the source of the bleeding is in the upper part of the digestive tract (the esophagus, stomach or the beginning of the small intestine) or in the lower part (small intestine, colon or rectum
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Various types of GI Bleed
Possible reason(s)
Esophagus Vomiting bright red (blood) or coffee ground
material, Black stools
Ulcer, varices Liver disease
Stomach Vomiting bright red (blood) or coffee ground
material, Black stools
Ulcer, gastritis, varices
Small Intestine Bright red/maroon bleeding
Ulcer,Tumor
Large Intestine (Colon) Blood in the stool
Colon, polyps, colitis, diverticulas
Rectum Bright red bleeding
Hemorrhoids, Diverticulosis, Tumor
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Critical Thinking
Bleeding-GI Tract
Ulcers:
Muscles of the stomach or duodenal wall, blood vessels may be damaged, which causes bleeding.
If the affected blood vessels are small, the blood may slowly seep into the digestive tract.
Over a long period of time, a person may become anemic and feel weak,dizzy, or tired.
If a damaged blood vessel is large, bleeding is dangerous and requires prompt medical attention.
Symptoms include feeling weak and dizzy when standing, vomiting blood, or fainting. The stool may become a tarry black color from the blood.
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Critical Thinking – UGI Bleed
Hematemesis-Vomiting of blood.
• May be bright red blood or coffee grounds-like material.
• Usually from bleeding proximal to the ligament of Treitz.
• Sources.
– Peptic ulcer disease may be asymptomatic until first bleed
especially in patients taking NSAID.
– Gastritis, especially from alcohol.
– Mallory-Weiss tear occurs after prolonged vomiting or
retching and is generally a self-limited bleed. Look for
mediastinal air on CXR.
– Esophageal varices from portal hypertension especially
secondary to chronic alcohol consumption.
– Swallowed blood from epistaxis or other source of
bleeding.
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Critical thinking
Melena
Passage of black, tarry stools secondary
to GI bleeding with intestinal transit time
allowing for the digestion of hemoglobin.
• May be of upper or lower GI origin
• Black, tarry stools can be the result of
ingested iron, licorice, or bismuth, but
the stool will be guaiac negative
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Critical thinking
Hematochezia - Bright red blood per rectum.
• Can be secondary to anal disease (hemorrhoids, rectal
fissure).
• May be secondary to bleeding diverticulum, other
colonic disease such as Crohn's disease, ulcerative
colitis, carcinoma (very rarely causes gross bleeding),
dysentery (especially amebiasis, Campylobacter,
Shigella, or other invasive organisms).
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Critical Thinking
Clinical Predictors for Failure
->65yo -Shock -Poor overall health -Comorbid illnesses -Low initial Hgb -Melena
-Transfusion requirement -Fresh red blood -Elevated BUN, SCr, or AST/ALT
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Critical Thinking
Endoscopic Predictors for Failure
-Active bleeding
-Non-bleeding visible variceal or
adherent
-Ulcer size
-Ulcer location
-Lesion type
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Therapies for GI Bleed
Treatment (Acute)
Endoscopic Therapy
-Thermal coagulation
-Injection therapy
-Hemostatic clips
-Fibrin sealant
-Combo therapy
Acid suppression therapy
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Therapies for GI Bleed
Thermal Coagulation
-Achieves acute hemostasis and
prevents rebreeding
-Coagulation of the underlying artery in
the ulcer base
-Multipolar probes and heater probe
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Therapies for GI Bleed
Injection Therapy
-Absolute alcohol
-Epinephrine (1:100,000 dilution) most
common
-Saline injection
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Therapies for GI BLeed
Hemostatic Clips
-Alternative to other methods
-Safe to use
- Can be expensive
-May serve as radiologic marker for
subsequent interventional radiology
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Therapies for GI Bleed
Fibrin Sealant
-Role remains to be defined
-Single application vs daily repeated
dose
- Hard on scopes, expensive
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Therapies for GI Bleed
Combo Therapy
BETTER OUTCOMES
-Epi injection
-Mechanical methods: thermal coag,
hemoclip
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Nuc med bleeding scan
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Celiac arterigram showing
duodenal bleed
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Watermelon stomach
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Crohn’s Disease
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AVM
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AVM
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Colon Cancer
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Diverticular bleed
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Ischemic Bowel
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Hemorrhoids
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Hemmorhoids
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Other Gastrointestinal
Emergencies
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Shock
Shock is a condition of acute peripheral
circulatory failure caused by
derangement of circulatory control or
loss of circulating fluid.
Can be endocrine, neurogenic, bacterial,
cardiogenic, or hypovolemic.
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Hypovolemic Shock
Bodies response to perceived blood
volume loss.
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Septic Shock/Bacterimia
From direct invasion of the bloodstream
by microorganisms or their toxins.
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Adverse Drug reactions
Know side effects
Know toxic reactions
Know allergic responses
Know how to treat anaphylaxis
Know look alike sound alike drugs
Know drug interactions
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Respiratory Depression
Highest risk factor from anesthesia,
sedation and narcotics.
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Cardiac Complications/Arrest
Cardiac stress is most common
complication of Endoscopy outside of
medication reactions.
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Vasovagal Syncope
Transient vascular and neurogenic
reaction marked by pallor, nausea,
diaphoresis, bradycardia, rapid fall in
B/P, to loss of consciousness(fainting).
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Postural Hypotension
Occurs when patient suddenly assumes
an upright position. There is a fall in
systolic and diastolic B/P.
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Aspiration
Occurs when liquids or solids mistakenly
enter the pulmonary system.
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Pediatric Complications and
Emergencies
Complications due to Endoscopy in pediatrics
Oral trauma
Loose baby teeth
Orthodontics
Wrong scope size
O2 saturations
Hypoxemia
Over distension
Arrhythmias
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The End, but only the beginning.