W -16 - Fluid/Electrolyte Flashcards

1
Q

Potassium

A

3.5 – 5.0

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2
Q

Sodium

A

135 – 145

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3
Q

Calcium

A

9 - 11

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4
Q

Chloride

A

96 - 106

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5
Q

Magnesium

A

1.5 - 2.5

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6
Q

pH

A

7.35 – 7.45

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7
Q

PaCO2

A

45 – 35

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8
Q

HCO3

A

22 – 26

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9
Q

PaO2

A

80 – 100

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10
Q

SaO2

A

95 – 100

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11
Q

Phosphorous

A

3.0 – 4.5

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12
Q

Movement of water down a concentration gradient?

A

Osmosis

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13
Q

Osmolality =

A

Concentration of molecules

Inside the body

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14
Q

Osmolarity

A

Per volume of fluid. (in the bag)

Outside the body

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15
Q

aka – oncotic & colloidal pressure

A

osmotic pressure

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16
Q

Pulling power

A

osmotic / oncotic / colloidal pressure

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17
Q

Albumin pulls water into space

A

osmotic

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18
Q

What body systems / elements are involved in fluid regulation?

A

Renal = excrete/retain/conserve
Renin & Angiotensin
Aldosterone
ADH

Lungs - insensible losses
GI
Heart mechanism - ANP (heart failure patients)

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19
Q

What signals kidneys to start RAAS?

A

Drop in blood pressure

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20
Q

What is the end result - outcome if RAAS?

A

Elevate Blood pressure

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21
Q

In RAAS - kidney releases ?

A

Renin

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22
Q

RAAS - Angiotensin II stimulates

hypothalamus - ??
Blood Vessels ??
Aldosterone ??

A

hypothalamus - thirst
Blood Vessels - vasoconstriction
Aldosterone - hold Na & H2O

All to elevate BP

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23
Q

What signals ADH?

A

loss of water - rise in serum tonicity (more concentrated) (Osmolality)

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24
Q

ADH release affects?

A

increased tubular reabsorption of water

retains water

increased thirst

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25
Hypernatremia - skin feels?
Skin dry increased temp
26
Low volume - skin feels?
cool and clammy
27
What causes Hypovolemia?
Fluid loss GI loss Suctioning (NG tube) Bleeding NPO limited to no access to water Third Spacing -- (ascites - fluid buildup in tummy) (burn patients - large blisters)
28
HYPOVOLEMIA Clinical Manifestations
acute weight loss decreased skin turgor oliguria <400-500 ml UO 24h Concentrated Urine Orthostatic Hypotension Weak rapid heart rate flattened neck veins Increased temp Cool Clammy SKin Thirst Anorexia / nausea
29
Hypovolemia has what for fluid volume? which leads to what for hydrostatic pressure? which leads to what for BP? Which leads to what for Heart Rate? Which leads to what for perfusion? S/S
Low fluid volume Low hydrostatic Pressure Low Blood Pressure High Heart rate Low perfusion = to brain = confusion skin = cool and clammy kidneys = low UO Weak pulse orthostatic hypotension - dizzy UO low and increased concentration
30
Lab results for LOW VOLUME HYPOVOLEMIA?
More concentration = of solutes Serum Osmolality Serum Na Urin Sp Gravity BUN HGB & HCT High: HCT -- hematocrit - RBCs HGB - hemoglobin BUN -- blood urea nitrogen NA (if dehydration)
31
WBCs
4500 - 11,0000 from 4 - 11, WBCs in heaven
32
RBCs
4.5 - 5.5 RBCs thrive at 4.5
33
PLTs
150,000 - 450,000 expensive china plates cost $150-450
34
Main function Sodium
maintains blood volume and blood pressure Sodium Swells (retains water) Sodium Think - BRAIN - neuro changes Range 135 - 145
35
Main function Potassium
muscles contract - including the heart muscle Potassium Pumps Potassium Think Heart - cardia dysrhythmias - life-threatening can be Range 3.5 - 5.0
36
Main function Calcium
Heart function Blood clotting Bone formation Calcium think - Creating bone Calcium think Bones imbalances - leads to fractures Range 9 - 11
37
Main function Magnesium
muscles and nerves stay healthy regulates energy levels Magnesium Manages Muscle Magnesium Think Calm and Sedated Magnesium acts like a sedative Range 1.5 - 2.5
38
Main function Phosphorous
create and maintain teeth & bones Repair cell and body tissue (cell walls) energy (ATP) Phosphorous think Perfect teeth helps body use vitamins to maintain teeth and bone health range 3.0 - 4.5
39
Main function Chloride
maintains acid-base balance controls fluid levels in cells Stomach Acid Chloride - think Carrying fluids range 96 - 108 High bicarb - low Cl, low Na. (metab alk) Low Bicarb - High Cl, High Na (metab acid)
40
S/S Hypernatremia
Fried Salt F Flushed skin R Restless - confused NEURO CHANGES I Increased BP & fluid retention E Edema D Decreased UO S Skin is dry A Agitation L Low grade fever T Thirst
41
S/S Hyponatremia
SALT LOSS S Stupor - Coma A Anorexia L Lethargy T Tachycardia L Limp muscles O Orthostatic hypotension S Seizures headaches NEURO CHANGES S Stomach cramping - hyperactive bowels
42
Causes of Hypernatremia
Increases sodium intake Loss of fluids from fever, burns, DI low water = Increased salt
43
Treatment of Hypernatremia
limit salt IV fluids - iso or hypo
44
Causes of Hyponatremia
5 Ds Diaphoresis Diarrhea & vomiting Drains (suction) Diuretics Dilution - SIADH
45
S/S Hyperkalemia
Muscles contract for too long = tight & contracted Tall peaked T-waves MURDER M muscle cramps and weakness U Urine abnormalities R Respiratory Distress D Decreased cardiac contractility low HR BP E EKG changes - tall peaked T-waves R Reflexes low DTR
46
S/S HYPOkalemia
Generalized weakness in muscles Ned Has Many Strange Symptoms N N/V E EKG changes flattened T waves D Decreased DTR H Hypotension M Muscle weakness S Shallow breathing S slow GI - constipation
47
S/S Hypercalcemia
BACK ME B Bone Pain A Arrhythmias C Cardia arrest (bounding pulses) K Kidney Stones (renal calculi) M Muscle weakness E Excessive Urination
48
S/S HYPO calcemia
CATS GO NUMB C Convulsions/Seizures A Arrhythmias T Tetany S Spasms and Stridor GO NUMB - numbness in fingers.face. limbs Positive Trousseau's - BP cuff hand curls Positive Chvostek's - contraction cheek - cheeky smile when facial muscle touched
49
S/S HYPERmagnesemia
Low Everything - Sedated Low DTR Low Energy - drowsiness - coma Low HR Low BP Low RR Low Bowel Sounds
50
S/S HYPOmagnesemia
Ca & Mg direct related High Everything - NOT SEDATED High DTR High HR High BP shallow RR muscle twitching - paresthesias Tetany seizures Irritability & confusion Positive Trousseau's - BP cuff hand curls Positive Chvostek's - contraction cheek - cheeky smile when facial muscle touched
51
S/S Hyper phosphate
Calcium and Phosphate inverse Mice Always Dig Silently M Muscle spasms & Tetany ( A Arrhythmias D Dry nails/skin S Seizures
52
S/S Hypo Phosphate
A Lion Often Wanders A Arrhythmias L Loss of appetite O Osteoporosis W Weakness, fatigue
53
S/S HYPER chloride
All Iguanas Have Eggs A Arrhythmias I Increased fluid retention H Hypertension E Edema
54
S/S HYPO chloride metabolic alkalosis high bicarb
Same as hyponatremia low Cl = low Na Mom Has a Toad and A Frog M Muscle Weakness H Hypotension T Tachycardia A Altered Mental Status F Fatigue
55
Most abundant extracellular anion
Chloride
56
Chloride has inverse relationship with ?
HCO3
57
Chloride has a direct relationship with?
NA K
58
Causes of HYPO chloride <96
Volume Overload = CHF, water intoxication Metabolic Alkalosis. high bicarb (low CL) Salt Losses - burns, sweating, GI losses, Addison, cystic fibrosis
59
Normal amount of insensible losses per day
600-900 ml/day Skin Lungs GI Sweating
60
HYPERVOLEMIA has what for fluid volume? which leads to what for hydrostatic pressure? which leads to what for BP? Which leads to what HR? Which leads to what for Edema? Which leads to what for pulse? UO? S/S
HYYPER VOLEMIA High fluid volume High hydrostatic Pressure High Blood Pressure High HR trying to compensate Edema - peripheral, pulmonary, cerebral Bounding pulse - JVD Increased UO
61
What do we monitor for fluids and electrolyte imbalances?
I&O. (w/in 600-900 - insensible losses) Weight daily (1 kg = 1000 mL fluid) (2.2 lb) Lab Values VS SKIN - turgor, edema, mucous membranes IV monitoring Respiratory (overload = crackles, pulmonary edema) Neurologic (high and low = confusion)
62
KNOW!!! Typical causes for: Respiratory Acidosis
holding CO2 (high CO2 in blood) low RR Hypoventilation COPD impaired gas exchange due to: pulmonary embolism pulmonary edema Hypoxia Resp depression opioids Airway obstruction choking sleep apnea CONFUSION - Headache - leathargy Dysrrhythmia
63
KNOW!!! Typical causes for: Respiratory Alkalosis
Breathing off CO2 (low CO2 in blood) high RR Hyperventilation. - (paper bag) Afraid, anxious Fever, Septic Head trauma Mechanical Vent issue ALKALOSIS = numbness & Tingling
64
KNOW!!! Typical causes for: Metabolic Acidosis
High Acid DKA not a lung problem (metabolic) lactic acidosis exercise seizure Alcohol Kidney Failure Lose too much base Diarrhea - excessive and prolonged
65
KNOW!!! Typical causes for: Metabolic Alkalosis
Base Excess too many antacids too much Na Bicarb given Lost Acid stomach acid vomiting low K+ ALKALOSIS = numbness & Tingling