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COMPREHENSIVE MEDICAL SURGICAL
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,signs of hypokalemia? muscle weakness
fatigue
muscle cramps
constipation
inverted T waves and a U wave on ekg
metabolic syndrome increases the risk of? heart disease
spironolactone is a potassium sparing diuretic that could? potentiate fluid and electrolyte imbalances ( if given with potassium supplements,
hyperkalemia can occur)
how do bet-blockers work? end in -olol decreases heart rate and blood pressure. mask the signs of hypoglycemia or
worsen asthma because of bronchoconstriction
why should you avoid discontinuing anti-hypertensives increase risk for rebound hypertension
medications abruptly?
ACE inhibitors and Angiotensin 2 receptor blockers hyperkalemia
(ARBs) increase the risk of?
ACE inhibitors, how do they work? ends in -pril stop angiotensin 1 from converting to angiotensin 2 (powerful vasoconstrictor)
thereby lowering total peripheral vascular resistance and blood pressure
How to take a proper blood pressure reading? instruct pt. to not eat or drink for 30 mins
support arm at heart level
make sure both feet are flat on the floor
the target organs affected by long standing retinopathy
hypertension? neuropathy
nephropathy
decrease in output could cause what? decrease in tissue perfusion which results in organ failure
Following a pulmonary artery pressure reading you to restore the blood flow through the pulmonary artery
should deflate the balloon. Why?
Straining with bowel movements is not good because? it triggers the valsalva maneuver which increases intrathoracic pressure
decreasing the venous blood flow to the heart and results in decrease cardiac
output.
change patients position slowly to prebent? orthostatic hypotension
, Low central venous pressure levels could suggests? could suggest dehydration or overdiuresis
increase central venous pressure could suggest? heart failure
increase central venous pressure provides a measurement of the volume of blood that returned to the right side of the heart
measurement of what? (2-6 mm Hg)
Hemodynamic monitoring is performed where? in ICU and allows for direct cardiac monitoring
homocysteine damage the endothelial lining of the arteries
increase risk for thrombus formation and lead to stroke, CAD, and peripheral
artery disease
the radiology procedure ECHOCARDIOGRAM shows direction of blood flow
what about the heart? heart shape and size
ventricular function
ejection fraction
the purpose of a cardiac stress test? to determine the hearts ability to respond to increase oxygen demand
this protein triggers sodium excretion and a decrease in Brain Natriuretic Peptide (BNP)
volume?
these protein levels increase as ventricular pressure Brain Natriuretic Peptide (BNP)
increase in order to rid the body of excess fluid?
BNP level greater than _____ suggests what? BNP levels greater than 100 suggest heart failure
contrast medium is contraindicated in what type of patients who are allergic to iodine, shellfish or seafood
patients? patients who are pregnant or has elevated creatinine levels
contrast medium is? nephrotoxic