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65 Cards in this Set

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TBW

ICF

Intracellular fluid=2/3 TBW


ECF

Extracellular fluid=1/3 tbw

What is ECF comprised of?

ISF and IVF

ISF

Interstitial fluid=3/4 ECF

IVF

Intravascular fluid=1/4 ECF=blood

What is blood made of?

Water with molecules (plasma), electrolytes, blood cells, blood proteins

Name the 3 blood proteins and functions

Albumin=responsible le for colloid osmotic pressure


Fibrinogen=responsible for blood clotting


Globulins=responsible for immune functiln

Serous fluid

Clear fluid without pus, etc

Sanguinous fluid

Blood

Serosanguinous fluid

Pinkish, mix of blood and serous fluid

Purulent

Thick, cloudy, or tan fluid

Osmotic pull

Blood proteins (albumin) in intravascular fluid pull water and electrolytes back in when there are too many proteins and not enough water

Hydrostatic pressure

Push from heart to move fluid out from capillary walls

Organ responsible for ECF regulation

Kidney

Cardiac output

Amount of blood pumped by heart through intravascular system per minute. Normal=4-6 L per minute

Cardiac output (CO) equation

Stroke volume * Heart rate(SV*HR)

Stroke volume

Blood being pumped out per beat [60-80cc avg]

1 L = ?ml

1000 or cc

Average urine output daily

1500 cc daily

Anuria

No urine output

Oliguria

Limited urine output

Fluid volume overload

Body is unable to get rid of fluid (renal or heart failure)

Fluid volume deficit

Body cannot retain fluids (renal failure)

1 L=?kg

1

Normal osmolality

270-295 mosm/kg, +/- , of body weight

Osmolarity vs osmolality

Osmolarity= measuring # of solutes to water using liters. mOsm/L


Osmolality= measuring # of solutes to water using weight (kg) mOsm/kg

What balances colloid osmotic pressure (big m&ms pulling water back across capillary)?

Hydrostatic pressure from the heart (pushes little m&ms out)

1 oz= ? Cc

30

Pitting measurements

+1 pitting edema=less than 1/4 inch


+2=1/4-1/2 inch


+3=1/2-3/4 inch


+4=3/4-1 inch


Osmosis

Movement of water across semipermeable membrane. Goes with the concentration gradient. Passive transport, seeking equilibrium of water

Diffusion

Movement of molecules from an area of high concentration to an area of lower concentration. Passive transport seeking equilibrium of solvents

Hormone regulating ECF sodium balance

Aldosterone

Hormone regulating excretion of water in urine

Antidiuretic hormone

Hormone under stress that causes increased urination and decrease of cardiac workload

Atrial natriuretic peptide (anp)

Normal pulse

60-100 bpm

Define systolic

Average arterial pressure in contraction

Define diastolic

Minimum arterial pressure during relaxation

What does MAP indicate

Average arterial pressure in 1 cardiac cycle

Normal MAP and how to calculate

70-105 mmHg, systolic B/P plus (2*diastolic)/3

ADH

Made in hypothalamus, stored in posterior pituitary. Causes body to retain water though less urination, thus restoring blood volume. Low blood volume, secrete ADH to retain water. High blood volume, decrease ADH to urinate more, less concentrated pee

ANP

Comes from atrial cells. Blocks aldosterone and ADH to Jumpstart vasodilation. Lowers BP

Aldosterone

??

Crystalliod IV

Solutions with fluids and electrolytes

Colloid IV

Contains albumin or dextrin or blood

Insensible losses of fluid

About 1000cc per day, sweat, fecal, lung/skin

Daily baseline fluid requirements

25-30 ml/kg/day


20-25 if overweight


15% more for every 1 degree C rise in fever

Active transport

Pushing substances across gradients. Na/k+ pump

Dextran

Antithrombotic, reduces blood viscosity

Total parenteral nutrition(TPN) vs partial parenteral nutrition (ppn)

Patient receives either all or part of daily nutrition via IV. TPN is very solute dense and must go on a central line like jugular (risks can include collapsed lung). PPN is less solute dense and can go in peripheral vein

Enteral feeding vs parenteral feeding

Feed someone through their GI tract vs feed any other route than digestive tract)

Keofeed or doboff

Feed through nasal tube into stomach. (Can also take fluid out of stomach with larger lumen)

G tube

Gastronomy tube surgically placed in stomach

Risks of enteral feeding

Aspiration, diarrhea, high gastric residuals, dehydration, refeeding syndrome

Sensible fluid losses

Urine and stool

Insensible losses of fluid

Respiration, sweat, evaporation off skin

Skin integrity

Burn patients at risk for fluid deficit

Skin tugor

Picking at skin to see tenting and how long it takes to return to normal state

Buccal moisture

Detected by gum glistening inside lower lip. FVD indicated also by tongue dryness

Symptom of FEV

Lung crackling, shortness of breath, cough, S3 heart sound

Hypervolmeia vs hypovolemia

Distended veins, FEV vs slow filling veins, FDV

JVD

jugular vein distension, associated with right ventricular failure. When the right heart fails, blood backs up in systemic circulation leading to this and edema

1 kg=?cc

1000

Elevated BUN and creatine = ?

Fluid deficit. Super elevated and it's azotemia

Urine output daily

.5 ml/kg/hr