QUIZ 2 POTASSIUM IMBALANCES Flashcards

1
Q

Potassium Imbalances:

A

Hyperkalemia & Hypokalemia

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2
Q

The major cation in the intracellular fluid (ICF).

A

Potassium K+.

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3
Q

Normal Range potassium

A

: 3.5 - 5.0 mEq/L

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4
Q

Potassium (K+) functions

A

Aids in Heart & Muscle Contractility -
Participates in Sodium
Maintains osmotic pressure
Send nerve signals and regulate muscle contractions -
GI motility, kidney & lung functions

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5
Q

is an essential mineral and electrolyte as it’s highly reactive in water.

A

Potassium (K+)

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6
Q

Regulating your heartbeat and blood pressure

A

Aids in Heart & Muscle Contractility

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7
Q

Potassium Pump
Potassium levels often change with sodium levels. When sodium levels go up, potassium levels go down, and when sodium levels go down, potassium levels go up.

A

Participates in Sodium

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8
Q

5.1 mEq/L to 6.0 mEq/L =

A

mild hyperkalemia

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9
Q

6.1 mEq/L to 7.0 mEq/L

A

moderate hyperkalemia

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10
Q

above 7 mEq/L =

A

severe hyperkalemia

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11
Q

Signs and Symptoms: HYPERKALEMIA

MURDER

A

Muscle weakness/cramps
Urine, oliguria, anuria
Respiratory distress
Decrease cardiac contractility
EKG changes
Reflexes ( hyper or areflexia)

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12
Q

Causes : HYPERKALEMIA
MACHINE

A

Medications, ACE inhibitors, NSAIDs
Acidosis, metabolic & respiratory
Cellular destruction - burns, traumatic injury
Hypoaldosteronism, Hemolysis
Intake (excessive)
Nephrons (renal failure)
Excretion impaired

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13
Q

Treatment “C BIG K Drop”

A

Calcium gluconate (stabilizes cardiac membrane)
Beta-2-agonist(albuterol neb q2-4hrs), Bicarb (shift K+ to the cell)
Insulin
Glucose

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14
Q

removal of K+ / immediate/ to manage ESRD cases also

A

DIALYSIS

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15
Q

Treatment: Severe Hyperkalemia is treated in 3 steps:

A
  • Calcium infusion is given to rapidly REVERSE conduction abnormalities.
  • Insulin to stimulate the sodium/potassium pump, promoting INTRAcellular shift
  • Hemodialysis to remove potassium
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16
Q

It is a metabolic disorder wherein the level of potassium in the blood is lower than normal (< 3.5 mEq/L)

A

Hypokalemia

17
Q

Causes: hypokalemia
DITCH

A

DRUGS: loop diuretics, laxatives, glucocorticoids
INADEQUATE CONSUMPTION OF K+
TOO MUCH WATER INTAKE
CUSHING’S SYNDROME
HEAVY FLUID LOSS

18
Q

causes kidneys to excrete K+

A

CUSHING’S SYNDROME

19
Q

Signs & Symptoms:Hypokalemia
abcfm

A

Arrhythmias (pt. with cardiovascular disease)
Breakdown of muscle fibers
Constipation
Fatigue
Muscle weakness or spasms, paralysis

20
Q

Signs & Symptoms (7L’s)

A

Lethargy
Low, shallow breathing
Lethal cardiac arrest
Loss of urine
Leg cramps
Limp muscles
Low BP & HR

21
Q

Treatment: Hypokalemia

A

Correct underlying disorder associated with hypokalemia.
Give potassium tablets.
Have a diet rich in potassium such as bananas, apples, oranges, milk and tomatoes.

22
Q

Sample h2 blockers

A

cimetidine (Tagamet)

23
Q

Safety Measures

A

Use of IV Infusion pump
Control of Concentrated Electrolytes
Independent double checking of RNs