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4739 Exam 3
n/a
163
Nursing
Undergraduate 4
03/05/2015

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Cards

Term
What are the effects of fat soluble vitamin deficiencies?
Definition
A: vision; D: bone health; K: long PT/INR; E: free radical damage
Term
Fermentation of lactose by bacteria causes what?
Definition
gas and osmotic diarrhea
Term
Describe IBS
Definition
general term for diseases with malabsoption feature (ulcerative colitis and crohn's)
Term
Describe UC
Definition
ulceration of colon mucosa (rectum and sigmoid); frequent bloody mucous diarrhea; increased risk of colon cancer
Term
Describe how to prep the bowel for a flexible sigmoidoscopy
Definition
1-2 fleets enemas; miralaax is used less often; regular or clear diet prior
Term
What is the best known anti-diarrheal med?
Definition
loperamide (imodium)
Term
What is the drug combination for lomotil?
Definition
Diphenoxylate (opioid that slows movement of intestines) and atropine
Term
What is given to treat Crohn's and UC if the patient has a sulfa allergy?
Definition
mesalamine/asacol
Term
What is a side effect of Sulfasalazine?
Definition
may cause skin or urine to turn orange-yellow, headache and photosensitivity
Term
Describe the dietary considerations for someone with IBD
Definition
limit dairy, low fiber, eat small meals, use supplements, drink lots of fluids
Term
Describe a kock pouch
Definition
continent ileostmy; patient can cath themselves to poop
Term
Describe post op care for an ileostomy
Definition
high stool output; assess for hemorrhage, SBO, dehydration
Term
T/f:
Crohn's manifests with bloody diarrhea
Definition
false
Term
Describe short bowel syndrome
Definition
inadequate surface absorption which requires TPN supplementation
Term
What is a low residue diet and why is it important in diverticular disease?
Definition
low fiber; prevent increase in colon wall pressure
Term
What is the most common symptom of diverticulitis?
Definition
abdominal pain LLQ
Term
Rectal bleeding is a rare emergent complication of what?
Definition
diverticular disease
Term
Describe a fistula
Definition
abnormal connection of tissue between two organs or organ and skin
Term
How does constipation contribute to diverticular disease?
Definition
straining increases pressure in the colon which causes it to bulge out through weak spots
Term
What two things should not be done when treating appendicitis?
Definition
laxatives/enemas and heat too the abdomen
Term
Describe the function of the liver
Definition
largest metabolic organ; key in digestion, nutrition, metabolism, elimination
Term
What are the signs of liver dysfunction?
Definition
increased liver enzymes, n/v, fever, fatigue, pruritis (later)
Term
What are the meds that treat itch as a result of liver dysfunction?
Definition
cholestyramine, rifampin, narcan, zofran, eucerin
Term
Jaundice occurs due to what?
Definition
inflammation and edema of liver
Term
Describe LFTs in a dysfunctional liver
Definition
enzymes increase, proteins decrease, increase coag and bilirubin
Term
Describe prep for a liver biopsy
Definition
avoid that meds effect platelets and clotting, limit food or drink
Term
What are the needles for performing liver biopsies?
Definition
jamshedi needles
Term
What do these signs seen after a liver biopsy indicate? pain in abdomen, chest, shoulder, sob, persistent bleeding
Definition
leakage of bile into abdominal cavity
Term
leakage of bile into the abdominal cavity can lead to what?
Definition
peritonitis
Term
What are the consequences of portal hypertension?
Definition
varicose veins in esophagus, stomach and rectum; splenomegaly from increased splenic vein pressure
Term
What does black tarry stool indicate?
Definition
slow oozing bleed
Term
What are the supportive measures for an acute bleed?
Definition
FFP, PRBC, Vitamin K, antacids (proton pump inhibitor)
Term
Describe the treatment of esophageal varices
Definition
manage bleeding with volume replacement, vasoconstrictive drugs, norepi
Term
Why has ER shunt surgery been abandoned to treat esophageal varices?
Definition
high mortality rate; esophageal transection is best choice (esophageal ring is removed and ends stapled together)
Term
Describe TIPS in treating liver issues
Definition
creates shunt so blood flows from high pressure hepatic vein to lower pressure hepatic vein; reduces formation of ascites
Term
What are the names of two beta blockers that can reduce variceal bleeding?
Definition
propranolol and nadolol; reduce portal pressure to allow adrenergic constriction
Term
What medication treats ascites?
Definition
aldactone (K sparing diuretic); may be used in combo with lasix
Term
What are the contraindications of abdominal paracentesis?
Definition
disseminated intravascular coagulation
Term
Describe Spontaneous Bacterial Peritonitis
Definition
common fatal complication of cirrhosis;fever, abdominal pain; claforin used to treat it
Term
Describe refractory ascites
Definition
not successfully managed by meds; can use TIPS, transplant, or laveen shunt as Tx
Term
Describe the laveen shunt
Definition
moves ascites fluid to SVC; last resort b/c of outcomes
Term
Describe hepatic encephalopathy
Definition
CNS disturbance from high Ammonia (protein digestion byproduct)
Term
Describe asterixis
Definition
flapping tremor of wrist upon extension r/t ammonia
Term
What are some meds used to treat hepatic encphalopathy and how do they work?
Definition
lactulose, flagyl (antibiotic reduces ammonia from bacteria)
Term
Someone with low bilirubin will have what color stools?
Definition
light clay color
Term
Liver dysfunction inhibits the body's ability to metabolize what?
Definition
hormones
Term
Describe hepatorenal syndrome
Definition
oliguric hepatic failure w/ decrease in blood volume r/t GI bleed, hypotension
Term
Hyperglycemia is a common manifestation of ___ while hypoglycemia is a manifestation of ____
Definition
chronic liver disease; liver failure
Term
What are the pancreatic enzymes?
Definition
lipase, amylase, protease
Term
Describe acute pancreatitis
Definition
inflammation leads to enzymes leak with edema, vascular damage, Ca deposition in areas of fat necrosis
Term
Ca in acute pancreatis is what?
Definition
sequestered to areas of fat necrosis
Term
What are the clinical manifestations of acute pancreatitis?
Definition
epigastric pain radiating to back, fevver, paralytic ileus, hypotension, jaundice
Term
cholangio means what?
Definition
gallbladder
Term
Describe the treatment plan for acute pancreatitis
Definition
pain, antacids, NPO, Ca, Rest GI tract, Electrolytes, Antibiotics, Suction
Term
What are the complications of chronic pancreatitis?
Definition
abdominal pain, malabsorption syndromes, DM, abcesses, pseudocysts
Term
What are the diagnostic results for chronic pancreatitis?
Definition
elevated amylase, lipase, hyperglycemia, low Ca
Term
Describe pancreatic cancer pain
Definition
significant later on, worse when laying down, no relation to food
Term
What are two ADH antagonists?
Definition
lithium carbonate and demeclocycline (corrects low Na)
Term
What med inhibits ADH release?
Definition
dilantin
Term
Define insipid
Definition
tasteless
Term
Describe diabetes insipidus
Definition
low ADH or lack of response; neurogenic (primary), nephrogenic (kidney doesn't respond to ADH), psychogenic (excessive water intake)
Term
Describe Desmopressin
Definition
antidiuretic replacement therapy to control DI
Term
What is the most common cause of hyperpituitarism?
Definition
adenoma
Term
What is a classic sign of acromegaly?
Definition
enlarging hand
Term
How do you confirm diagnosis of acromegaly?
Definition
high GH, increased insulin-like growth factor, glucose tolerance test
Term
What are the risks of pituitary surgery?
Definition
DI, CSF leak, visual impairment, incomplete tumor removal
Term
What is the sign of a CSF leak?
Definition
hallow sign in CSF
Term
Why should post pit surgery patients not brush their teeth?
Definition
disturbs sutures
Term
What are some patient expectations post pit surgery?
Definition
work 2 wks later; clots/mucous out of nose or down throat
Term
Describe the use of sandostatin
Definition
reduces GH levels
Term
What is the result of too much PTH?
Definition
increase Ca, low Ph and bone weakness
Term
What is the most common cause of primary hyperparathyroidism?
Definition
benign adenoma
Term
What two conditions cause secondary hyperparathyroidism?
Definition
kidney failure and malabsorption
Term
What is the most common cause of hypoparathyroidism?
Definition
thyroid surgery where some parathyroid tissue was removed
Term
What are the clinical manifestations of hypoparathyroid?
Definition
trousseau's sign and muscle spasticity
Term
Describe the cortisol levels in someone with Cushing's
Definition
normal in the morning; higher at night
Term
Describe the decadron test in adrenal disease
Definition
decadron given at night and cortisol measured in the morning; normal= low, cushings= high
Term
Describe the use of and cautions related to Nizoral
Definition
block corticosteroid secretion; hepatotoxic
Term
What is the purpose of a high protein diet in someone with cushing's?
Definition
helps heal friable "steroid skin"
Term
What are the signs of hypocortisolism?
Definition
vomiting, dehydration, hypotension
Term
What are some normal complaints of the patient after adrenal Sx?
Definition
painful joints, pruritis, peeling skin
Term
What is another name for primary adrenal insufficiency?
Definition
addison's disease
Term
Describe mineralcorticoid deficiency
Definition
Na deficiency and K toxicity
Term
Which is the more dangerous of Cushing's and Addison's?
Definition
Addison's; Cushing's is more common
Term
Describe Pheochromocytoma
Definition
caused by tumor on adrenal medulla that causes severe HTN; increased catecholamines (epi and norepi)
Term
What is the function of the thyroid?
Definition
convert iodine to T3 and T4 to control metabolism
Term
The thyroid gland and production of TSH is under the control of what?
Definition
pituitary gland
Term
TSH releasing hormone and the pituitary gland are controlled by what?
Definition
hypothalamus
Term
What do T3 and T4 tests tell you?
Definition
T4: overall function of thyroid
T3: diseased if high
Term
Describe Grave's disease
Definition
autoimmune toxic diffuse goiter; most common cause of hyperthyroidism; clinical manifestations: goiter, exopthalmos; low TSH
Term
Describe the secondary cause for hyperthyroidism
Definition
TSH secreting pituitary adenoma
Term
Describe infiltrative dermopathy
Definition
non pitting proteinaceous edema in pretibial area; associated with Grave's
Term
What are the conservative measures for treating exopthalmos?
Definition
elevate head at night, glasses, eyedrops, cool compress
Term
What are 3 meds used to treat hyperthyroidism?
Definition
PTU, methimazole and iodine
Term
What is the main drug used to treat hypothyroidism?
Definition
Synthroid
Term
What is the purpose of using beta blockers and Ca blockers to treat hyperthyroidism?
Definition
reduce tachycardia; Ca for those who can't tolerate beta blockers (lung effects)
Term
What can lead to an episode of thyroid storm?
Definition
infection, trauma, surgery DKA, pre-eclampsia
Term
What are the symptoms of a thyroid storm?
Definition
fever, weakness, restlessness, mood swings, n/v/d
Term
How do you treat hypothyroidism?
Definition
address cause, give thyroxine
Term
Describe primary hypothyroidism
Definition
commonly caused by Hashimoto's thyroiditis, due to disease in thyroid, increased TSH
Term
Describe secondary hypothyroidism
Definition
hypothalamus does not make enough TRH
Term
Describe hypothyroidism in the elderly
Definition
non-specific geriatric symptoms; confusion, anorexia, muscular aches and weaknesses; may mimic dementia or parkinsons
Term
Describe myedema coma
Definition
life threatening; coma with extreme hypothermia, seizures and respiratory depression
Term
What are the dietary considerations for someone with hypothyroidism?
Definition
High fiber and stool softeners
Term
Describe the treatment plan for myxedema coma
Definition
IV fluids, thyroxine, corticosteroids
Term
What is the classic triad of PE?
Definition
dyspnea, chest pain and hemoptysis
Term
Describe the labs seen in someone with PE
Definition
hypoxemia and uncompensated respiratory alkalosis or acidosis (large) with positive D dimer
Term
Describe contrast induced nephropathy
Definition
increase >25% or .5mg in creatinine
Term
What is the widely accepted indication for fibrinolytic therapy?
Definition
persistent hypotension due to acute PE
Term
Describe hypercapnea
Definition
ventilatory failure; PaCO2>48 and pH>7.35
Term
Describe paradoxic breathing
Definition
abs and chest move in opposite manner from max effort of accessory muscles
Term
Describe the use of the end tidal CO monitor
Definition
sensor that changes color when exposed to CO2; purple= low, tan= some, yellow= normal used to verify ETT placement
Term
If a patient is breathing on their own but need a humidified airway what do you use?
Definition
T piece
Term
Inhalation occurs due to what?
Definition
negative intra-thoracic pressure
Term
Describe barotrauma
Definition
damage to pulmonary tissue from positive pressure ventilation
Term
Describe the Cuirass
Definition
similar to iron lung; creates negative pressure to the external chest, used in patients with muscular disorders
Term
What is PEEP?
Definition
positive end expiratory pressure; postive pressure in airway after expiration; helps facilitate gas exchange in alveoli
Term
Volume cycled PPV is often used with what population?
Definition
adults and older children
Term
What is the normal range for PEEP?
Definition
2-5 common; 5-8
Term
DEscribe synchronized intermittent mandatory ventilation
Definition
SIMV; ventilator breathes in synchrony with patient at prescribed rate. Patient can breathe independent of ventilator
Term
Describe CPAP
Definition
used to prevent pressure at end of exhalation from being 0; used on patients breathing on their own
Term
Describe ARDS
Definition
acute respiratory distress syndrome; hypoxic despite O2 therapy, dyspnea, decreased pulmonary compliance, respiratory acidosis
Term
What can cause ARDS?
Definition
anything that injures the lungs; septic shock is the most common
Term
After checking the patient, what do you check if there's an abnormal heart rhythm?
Definition
check BP
Term
How do you know if a dysrhythmia is supraventricular or ventricular?
Definition
QRS width; narrow= above ventricles, wide= ventricles
Term
What meds treat fast supraventricular rhythms?
Definition
Ca channel blockers (diltiazem), beta blockers, amiodorone (long term)
Term
What vagal maneuvers can be used to treat fast supraventricular rhythms?
Definition
cough, carotid massage, diving reflex
Term
What is the function of digoxin?
Definition
slows and strengthens the heart
Term
What med for fast supraventricular rhythms is pushed quickly?
Definition
adenosine
Term
define ventricular ectopy
Definition
displaced beats
Term
What is the first choice drug for symptomatic bradycardia?
Definition
atropine
Term
What are the causes of treatment for Premature Atrial Contractions (PACs)?
Definition
caffeine, COPD; remove cause/nothing
Term
What can cause atrial flutter?
Definition
coronary artery disease
Term
Describe the treatments for types of AV block?
Definition
1st: monitor patient 2nd1: likely caused by digoxin, monitor, 2nd2: pacemaker, 3rd: pacemaker
Term
What is the treatment for ventricular dysrhythmias (PVCs)?
Definition
monitor if lasting less than 6 mins; lidocaine, amiodarone
Term
What electrolyte replacements are made for someone with PVCs?
Definition
Mg and K prn
Term
What is the front line drug for ventricular dysrhythmias?
Definition
lidocaine; bolus followed by drip
Term
Describe the use of amiodarone to treat ventricular dysrhythmias
Definition
daily use can treat asymptomatic patients; bolus followed by infusion
Term
Describe the care plan for pulseless V tach/ V fib
Definition
call code, CPR, use defibrillator asap, epi is used 1st for vasoconstirction (blood flow to heart and brain). Vasopressin is alternate
Term
What are two common causes of torsades de pointes?
Definition
hypomagnesemia and hypokalemia; special v tach
Term
What is the treatment plan for asystole?
Definition
epi and atropine
Term
What are the 6 Hs the cause pulseless electrical activity?
Definition
Hypoxia, hypovolemia, hypothermia, H+ ions, hypokalemia, hyperkalemia
Term
What are the 5 Ts that cause pulseless electrical activity?
Definition
Tablets (overdose), tamponade, tension pneumo, thrombosis (coronary and pulmonary)
Term
a prolonged PR interval indicates what?
Definition
AV block
Term
How does adenosine work in treatings SVT?
Definition
causes transient heart block in the AV node
Term
Administration of what are considered priority in treating tachycardia?
Definition
oxygen and NS
Term
Adenosine does not work for what kind of tachycardia?
Definition
a fib/flutter
Term
Describe obstructive shock and its causes
Definition
obstructions reduces CO; pericardial tamponade, tension pneumo, SVC syndrome, PE
Term
Describe hypoadrenal shock
Definition
water and Na loss from adrenal issues causes hypovolemia
Term
What are the signs of obstructive shock?
Definition
JVD, hepatomegaly, peripheral edema
Term
Lactic acid is created in what stage of shock?
Definition
3
Term
At what point is a patient less likely to recover from shock?
Definition
stage 4; failure of one organ system effects others
Term
Describe the clinical manifestations of shock
Definition
BP, urine output and CO decrease, increase HR and RR, vasoconstriction
Term
Describe the treatment plan for cardiogenic shock
Definition
restrict fluids, give diuretics, give vasoactive meds
Term
What are the fluid resuscitation guidelines for hypotension and shock?
Definition
10ml/kg hypotension; 20ml/kg shock (high LA)
Term
What is the function of low dopamine doses?
Definition
help restore blood flow to low priority areas
Term
What is the dosage range for dopamine to treat shock?
Definition
3-5mcg
Term
What is the purpose of dobutamine?
Definition
inotropic; causes heart to pump more efficienctly
Term
What is the function of nipride?
Definition
vasodilator; reduces afterload so make it easier for the heart to empty
Term
Describe central venous pressure
Definition
pressure of blood as it returns to the heart
Term
What are the goals for central venous pressure?
Definition
5-7 mmhg
Term
Describe pulmonary artery wedge pressure and give the normal range
Definition
preload/filling pressure (volume); 7-12
Term
Describe LV and normal ranges
Definition
preload of left heart; 7-12
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