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37 Cards in this Set
- Front
- Back
- 3rd side (hint)
What is most common GI complaint
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Constipation
-less than 3x per week Various meanings to others? |
Too hard
Too small Too difficult Too infrequent |
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In whom is Constipation (CTP) most commen
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Women
Non-caucasian Over age 60 Little Dialy Excercise Low Income Poor Eduction |
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What are 2 categories of Obstruction of Outflow from colon in CTP
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1. Obstructing Lesions causeing constipation are usually advanced and DISTALLY located:
proximal colonic malignancies generally DO NOT cause CTP, proximally still liquid. 2. Strictures: diverticulitis, ischemia, IBD |
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What can the following cause as a cause of CTP:
Strictures Fissures Cx Foreing bodies Hemorrhoids |
Anal Narrowing
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What is most common endocrine cause of CTP
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Dieabtetes--destroy nerves in colon
--other Metab/Endo Dzo that cause: -Preggers Hypothyroidism--(hypo = slower metabolism) |
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Which 2 Hyper/o___ can cause CTP
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Hypercalcemia
Hypokalemia ---affect smooth mm. contractility |
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No demonstrable Str of Fxn cause of CTP
-esp elederly? |
Idiopathic Constipation
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cuases of fecal impaction
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Mental Confusion--dont know they need to go
-Immobility--just hold it |
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Idiopathic CTP in Children
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--Painful bowel mvmt with resultant w/hold of feces by child to avoid unpleasant defecation .
Causes: -Rectosphincteric dyssynergia -- = Learned behaviour =Failure of puborectalis mm to relax = CTP |
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CTP in young to middle aged adults
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Typically Women
Pscychosocial stress (IBS) May have motility Dzo |
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Sustained contraction of an aganglionic segment?
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Hirschsprung's Dz
-abs of Nn. in the Submucosal and Myenteric Plexi of the distal colon -Proximal Bowel dilates |
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What is initial test to rule out Hirschsprungs?
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Barium enema
--NOT useful after infancy |
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Hirschrprungs on Radiograph
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Decreased or absent air in the distal colon with dilated loops of bowel proximall
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What is gold standard for Hirschs diagnosis
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Rectal biopsy
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What is Anorectal manometry
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inflation of balloon in the internal anal sphincter should cause a relaxation of the sphincter. Absent in Hischsprungs
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What are other Neurological Cuases of CTP?
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Parkinson's Dz
Dementia Multiple Sclerosis Spinal Cord Lesions |
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Tx for CTP in Spinal Cord Lesions ABOVE the Conus Medullaris
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L1-L2= Upper Motor Neuron: Institute a Bowel Regimen. Use Suppositories THEN Digital Stimulation
High Spinal Cord Lesion-digital stimulation can trigger defecation What if It's Below? |
Suppositories/Enamas and Digital Stimulation WILL NOT Work
--Must Disimpact with Finger |
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Deposition of dark pigmentation in the colonic mucosa after long standing use of Antraquinone containing laxatives
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Melanosis Coli
-benign condition -Reversible Note, with Laxatives |
Taking more Laxative exacerbates the CTP via Melanosis coli
-hypertrophy of mucosa = less water put in= hard stool & CTP |
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With Chronic Anthraquinone as the cause of Melanosis coli
What are it's 3 effects |
Damage to the myenteric plexus in the colon whch dec. peristalsis.
Excessive loss of fluids and electros out of the lumen Hypertrophy of the mucosa which causes dec secretion into the lumen |
basically bad fluid absorption, bad peristalsis and bad fluid secretion
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What to include in CTP workup
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Medications--laxs
-Lenght of Problems -Other Sx: bleeding, anemai Endocrin: skin, hair, nail changes -Diabetes? |
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What to look at in CTP Physical
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Include Neurologic Eval
-Anorectal Exam: fissures, hemorrhoids, mass; tone of anal sphincter--ask PT to try to poop with finger in ass -Guaiac Test -- -Pelvic Exam in Women What is Guaiac Test? |
=FOBT - fecal occult blood (test)
Tests to make sure there's no blood in the stool --could indicated masses, fissures or hemorrhoids that were otherwise not seen |
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Why pelvic exam in women
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Rectocele
--rectum protrudes into vagina |
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Labs/Tests for CTP
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CBC
Fasting Blood GLc -Calcium -TSH (for hypothryoirdism) -Imaging: occasionally needed- |
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For which Dzo is endoscopy needed
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Endoscopy for Obstruction or Melanosis Coli
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Tx for CTP if Hypothyroidism
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Thyroid Replacement
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Tx for DM
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Secondary to Neuropathy
-Control Blood Sugars |
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Tx for Preggers
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Hormones cause decreased transit time
-Plenty of fiber and water |
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If Pt complians of CTP and high cholesteroal, what do yo put them on
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Soluble Fiber-
--Combines to fatty substances and promote their excretion -regulate blood sugars and lowers cholesterol |
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Sources of Soluble Fiber
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Oat bran, pectin, beans, nuts, seeds
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What are some Insoluble Fiber sources?
What do they do for you |
Insol: Cellulose, wheat bran, whole grains
-Don't Dissolve and attract and hold onto water -move waste trhough the intestines -ADD bulk to Stools |
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Amount of dietary fiber intake?
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20-30gm/day
About Fiber: Dietary fiber or sometimes roughage is the indigestible portion of plant foods having two main components: |
1. Soluble: prebiotic/viscous that is readily fermented in the colon into gases and physiologically active byproducts, and
2. Insoluble fiber: metabolically inert, absorbing water as it moves through the digestive system, easing defecation |
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Tx for CTP for idiopathic causes
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Increased water consumption
--eight glasses daily |
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Behavioral Approach for CTP
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Daily Diary
Attempt defecation after a meal Get in, Get out Excercise (increases colonic activity) |
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4 Types of Pharms for CTP
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Bulk-Forming Laxatives
Mineral Oil Osmotic Laxatives: sorbitol, lactulose Mg-Containing Laxatives (inc. water content intralumenally) Two Types of Bulk-Forming Laxatives? |
Psyllium
Methylcellulose |
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What are the Stimulant Laxatives?
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Castor Oil, Antraquinones (senna, cascara )
-Watch use of these--esp in elderly |
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What are the ProKinetic Agents:
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Cisapride
Metoclopromide -Watch use in Elderly and others |
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When is Surgery Indicated?
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Treatment of Choice for :
Hirschsprung's Dz --Resection |
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