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106 Cards in this Set
- Front
- Back
breakdown of food
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digestion
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transfer of food products into circulation
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absorption
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excreting the waste products of digestion
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elimination
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taking in food
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ingestion
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two types of secretion of GI tract:
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mucous
digestive |
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This type of secretion is produced throughout entire length of GI tract. The purpose is to protect and lubricate walls of GI tract
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mucous secretions
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This type of secretion in produced in the mouth, stomach, duodenum and jejunum. It's when enzymes and lytes break down ingested food so it may be absorbed.
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digestive secretions
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Ingestion of materials can be: (3)
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oral
enteral parental |
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Physical and chemical breakdown of food into absorbable substances
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digestion
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facilitated by the timely movement of food thru the various organs and secretion of specific enzymes
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absorption
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Major hormones assoc. with digestion:
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gastrin
secretin cholecystokinin gastric inhibitory peptide |
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__________:contraction of gallbladder, relax sphincter of Oddi, increasing bile into duodenum, release of pancreatic digestive enzymes
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cholecystokinin
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inhibits gastric acid secretion and gastric motility
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gastric inhibitory peptide
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gastric acid secretion, increased motility, LES tone
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gastrin
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inhibits gastric motility, acid secretion and pancreatic bicarb secretion
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secretin
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Pacreozymin is secreted where?
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by duodenum
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If someone has dumping syndrome, what nutrient should they NOT get?
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carbohydrate
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Nutrients: (6)
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carbs
fats proteins vits minerals water |
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who will usually be deficient in nutrients?
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elderly
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-Building and maintaining body tissue
-furnishing energy -regulating body processes all functions of what? |
nutrients
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We can only use feeding tube if:
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they have functioning GI tract
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Two types of supplemental nutrition::
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high calorie oral feedings
tube feeding |
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whats 2 examples of a high calorie oral feeding?
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milk shake
commercial products (ensure) |
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________ are safer and less expensive then parenteral
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tube feeding
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Indicators of potential nutritional problems:
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-clear liq/full liq
-Iv fluids -NPO -Decreased intake of diet or tube feedings -weight 20% above or below IBW -alterations in chewing, swallowing, producing saliva, taste or small -dx cva or ca |
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who should we consult is we have indicator of potential nutritional probs
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dietician
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What lab data is important when looking at nutrition?
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alb
transferring prealb nitrogen balance cbc lytes bun creatining oncofetalantigens cea |
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normal alb level:
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3-5
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normal transferrin level:
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220-430
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normal prealb level:
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20-40
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if serum alb is increased:
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hepatic disease
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if deficiency in iron:
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can't absorb food
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serum creatinine shows:
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dehydration
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look at total lymph count for:
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signs of infection
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transferrin will be diminished in:
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chronic illnesses
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The elderly undergo the following effects of aging regarding the mouth:
1. loss/decay of teeth 2.decreased 3.decreased 4.decreased |
2. taste buds
3. sense of small/taste 4. volume of saliva |
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The elderly undergo the following effects of aging regarding the esophagus:
1. decreased 2. increased |
1. peristalsis (gags)
2. reflux |
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The elderly undergo the following effects of aging regarding the stomach:
1. atrophy of 2. decreased _____,_____,______ |
1. gastric mucosa
2. acid secretion, gastric bld flow, absorption |
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DETERMINE
D E T E R M I N E |
disease they have
eating poorly tooth loss/mouth pain economic hardship reduced social contact multiple meds involuntary wt loss/gain needs assis. in self care elderly >80 |
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What's the no. 1 thing ppl dont tell u?
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economic hardship
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when doing a symptom assessment remember Pqrst
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palliation, provocatin
quality radiation severity timing |
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what 4 things are included in physical assess?
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inspectin
auscultation percussian palpation |
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There are several diganostic studies in the upper gi series:
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barium swallow
endoscopy gastric emptying studies gastric pH gastric analysis h pylori cbc lytes bun creat abg's |
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This involves observing the movement of a contrast medium thru the esophagus and into the stomach by means of a fluroscopy and xray exam. It's used to identify esophageal and stomach disorders
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barium swallow
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Diagnostic procedure commonly used in GI evaluation:
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abd xray
kub contrast studies endoscopic procedures radionuclide scintigraphy |
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ABG'S:
pH |
7.35-7.45
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ABG'S: PCO2
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35-45mmHG
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ABG'S: HCO3
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22-26mEq/L
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ABG'S: PO2
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80-100 mm HG
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ABG'S: O2 sat
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95-100%
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substance that can donate a hydrogen ion H+
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acid
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Power of the H expresses the acidity or alkalinity of a solutions hydrogen ion concentration
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pH
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substance that can accpet hydrogen ion
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base or alkali
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acid condition of bld ph <7.35
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acidemia
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alkaloid condition of bld pH >7.45
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alkalemia
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ph less then 7.35
hco3 less then 22 PCO2 normal |
metabolic acidosis
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name some causes of met acidosis:
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shock, drug poisoning/od
severe diarrhea diamox therapy dehyration ammonium cl administration diabetic ketoacidosis renal tubular necrosis utererosigmoidostomy renal failure, pancreatic drainage |
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To treat met acidosis:
1. correct ______ 2. consider ______ replacement 3. monitor: 4. watch for ______ |
1. fluid/lyte imbalance
2. bicarb 3.i&o 4. cardiac arrhythmias |
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Ph ^ 7.45
HCO3 ^ |
met alkalosis
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this syndrome is produced by condidtions that result in reflux of fastric secretions into the esophagus
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GERD
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what is GERD throught to be caused by?
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dysfunction of LES (lower esophageal sphicter)
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burning, tight sensations from lower sternum progressing to jaw or throat. also c/o excessive salivation
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heartburn (pyrosis)
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what is heartburn (pyrosis) relieved by?
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milk
alkaline substances water |
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The following pulmonary symptoms may be seen with Gerd
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wheezing
coughing dyspnea (2ndary to microaspiration of gastric contents) |
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The following otolaryngologic symptoms may be seen with gerd
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hoarseness
sore throat choking |
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the following may be gastric symptoms of gerd:
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bloating
n/v |
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step 1 for Gerd:EDUCATE!!
-Avoid what type of foods? |
high in fat or cholesterol
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step 1 for Gerd: teach to eat how many meals/day?
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4-6 small meals
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step 1 for Gerd: elevate
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head of bed
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step 1 for Gerd: avoid CCCCC
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caffeine
coffee cigs chocolate constrictive clothing |
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Step one for Gerd: acoid heavy lifting, ____ or working in ____________
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straining
bent over position |
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Step 1 for GERD: avoid drugs that you have to take with food like:
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ASA, NSAIDS
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Step 1 for GERD: tell client they really need to
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lose wt
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Step 2/3 GERD: add following meds:
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oral H2 blocker
omeprazole (prilosec) proton pump inhibitor anti ulcer antacid |
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If no relief of GERD in steps 2 or 3, go to step 4: add _________ (_____) and consider surgical antireflux therapy
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metoclopramide
reglan |
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When should reglan be given in regards to meals?
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30-60mins before meal
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what are s/e's of reglan?
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hallucinations
ataxia |
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GER and GERD in children: Ger differs from gerd in that ger is gastric relux :
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without injury
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when does GER become GERD?
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when complications such as failure to thrive, bleeding or dysphagia develop
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GERD in children is associated with resp sx such as:
(they can't tell you they have heartburn) |
apnea
bronchospasm laryngospasm pneumonia |
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what is now thought to be the common cause of GER in children?
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transient relaxation of the LES (lower esophageal sphincter
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Look for + what with GER?
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h pylori
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sx of GER in infants:
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spitting up
regurgitation vomiting excessive crying, irritability, arching of back, stiffening, wt loss, failure to thrive, resp probs (cough wheez stridor) gagging, choking following feeding, hematemesis, melena, anemia |
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sx of GER in children:
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heartburn
abd pain non cardiac chest pain chronic cough dysphagia nocturnal asthma recurrent pneumonia |
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Nursing care for infants with GERD:
1. feed with 2. position? |
1. thickened formula c rice cereal
2. head elevated, prone or left side position |
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Nursing care for infants with GERD: gerd worsens with
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supine position
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Herniation of a portion of the stomach into the esophagus thru an opening in the diaphragm
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hiatal hernia
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2 other names for hiatal hernia
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esophageal
diaphragmatic |
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who is hiatal hernia most common in?
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elderly
women |
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two types of hiatal hernia
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sliding/rolling
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rolling hiatal hernia is aka
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paraesophageal
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this is when part of the stomach 'slides' into thoracic cavity in supine position and back when upright. It is the most common type.
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sliding hernia
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fundus and greater curvature of stomach roll up thru diaphragm, forming pocket alongside esophagus
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rolling/paraesophageal hernia
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what are some precipitating factors for hiatal hernia in adults?
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obesity
pregnancy ascites tumors tight corsets kyphosis intense physical exertion continual heavy lifting, belts |
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what are the symptoms of hiatal hernia in adults like?
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same sx as gerd, gi bleeding
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sx of hiatal hernia in infants in children:
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same sx as GERD
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what is the most common type of repair for hiatal hernia?
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nissen
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someone with hiatal hernia should have what kind of diet?
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high protein
low fat |
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tell someone with hiatal hernia to avoid what 4 things?
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smoking
caffeine etoh tight clothing at waist |
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teach someone with hiatal hernia this about eating:
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small freq. meals/feedings
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Client teaching: hiatal hernia: do not lie down for __-__ hrs after meals, sleep with
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2-3 head elevated
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What lab test is most valuable in determining nutritional status of an elderly client?
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prealb
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to have a tube feeding (PEG), the requirements must include:
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functioning gi tract
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client is bloating, several day hx of vomiting, most as risk for:
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metabolic alkalosis
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c/o burning sensation in throat, dysphagia, cough, most important hx to obtain is:
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diet hx
wt loss/gain |
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if someone just underwent surgery to repair hiatal hernai (nissen) what type of diet should they have
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soft, no veggies, no carb drink, sm freq meals
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