THYROID Flashcards

1
Q

WHAT IS HASHIMOTOS DISEASE

A

AUTOIMMUNE CONDITION CAUSING HYPOTHYROIDISM

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2
Q

MYXEDEMA COMA

A

POTENTIALLY FATAL COMPLICATION OF HYPOTHYROIDISM
TREATMENT IS IV LEVOTHYROXINE

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3
Q

SIGNS AND SYMPTOMS OF HYPOTHYROIDISM

A

MOM’S SO TIRED
MEMORY LOSS/MENTAL IMPAIRMENT
OBESITY (WEIGHT GAIN)
MENORRHAGIA
SLOWNESS
SKIN/HAIR DRYNESS
ONSET IS GRADUAL
TIRED
INTOLERANCE TO COLD
RAISED BLOOD PRESSURE
ENERGY LEVELS LOW
DEPRESSED

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4
Q

KEY DRUGS THAT CAN CAUSE HYPOTHYROIDISM

A

I TALC
INTERFERONS
TKIs
AMIODARONE
LITHIUM
CARBAMAZEPINE

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5
Q

HOW OFTEN SHOULD THYROID BE CHECKED

A

EVERY 4 - 6 WEEKS

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6
Q

HOW TO CALCULATE REPLACEMENT DOSE FOR LEVOTHYROXINE

A

= 1.6 MCG/KG/DAY
USING IBW

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7
Q

IF THERE IS A KNOWN CAD, WHAT DOSE OF LEVOTHYROXINE SHOULD YOU START WITH

A

12.5 - 25 MCG DAILY

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8
Q

LEVOTHYROXINE IV:PO RATIO

A

0.75 : 1

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9
Q

LEVOTHYROXINE TABLET COLORS

A

ORANGUTANS WILL VOMIT ON YOU RIGHT BEFORE THEY BECOME LARGE PROUD GIANTS
ORANGE, WHITE, VIOLET, OLIVE, YELLOW, ROSE, BROWN, TURQUOISE, BLUE, LILAC, PINK, GREEN

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10
Q

SIGNS AND SYMPTOMS OF HYPERTHYROIDISM

A

SWEATING
SWEATING
WEIGHT LOSS
EMOTIONAL LABILITY
APPETITE INCREASED
TREMOR/TACHYCARDIA FROM AF
INTOLERANCE TO HEAT/IRRITABILITY
NERVOUSNESS
GOITER/GI PROBLEMS

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11
Q

GRAVES DISEASE

A

AUTOIMMUNE CONDITION THAT CAUSES HYPERTHYROIDISM

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12
Q

KEY DRUGS THAT CAN CAUSE HYPERTHYROIDISM

A

IODINE
AMIODARONE
INTERFERONS

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13
Q

WHAT AGENT CAN BE USED FOR SYMPTOM MANAGEMENTS OF HYPERTHYROIDISM

A

BETA BLOCKERS

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14
Q

WHAT MEDICATIONS LOWER THYROID LEVELS IN HYPERTHYROIDISM

A

PROPYLTHIOURACIL
METHIMAZOLE

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15
Q

HOW ARE ANTITHYROID MEDICATIONS TYPICALLY USED

A

THEY ARE USED AT HIGH DOSES TO CONTROL SYMPTOMS FOR 1 - 3 MONTHS
THEN DOSE SHOULD BE REDUCED TO PREVENT HYPOTHYROIDISM

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16
Q

BOXED WARNING FOR PTU

A

SEVERE LIVER INJURY AND ACUTE LIVER FAILURE

17
Q

WHICH THIONAMIDE IS PREFERRED IN PREGNANCY

A

PTU FOR 1ST TRIMESTER
METHIMAZOLE CAN BE USED DURING 2ND AND 3RD

18
Q

THIONAMIDES WARNING

A

HEPATOTOXICITY
AGRANULOCYTOSIS
DRUG INDUCED LUPUS

19
Q

WHICH THIONAMIDE IS GENERALLY PREFERRED

A

METHIMAZOLE
LOWER RISK OF LIVER DAMAGE

20
Q

WHICH THIONAMIDE IS PREFERRED IN THYROID STORM

A

PTU

21
Q

WHAT IS THE MECHANISM OF IODIDES USE IN HYPERTHYROIDISM

A

TEMPORARILY INHIBIT SECRETIONS OF THYROID HORMONES

22
Q

WHY IS POTASSIUM IODIDE USED AFTER RADIATION

A

BLOCKS THE ACCUMULATION OF RADIOACTIVE IODIDE, PREVENTING THYROID CANCER

23
Q

WHAT IS THYROID STORM

A

LIFE THREATENING
DECOMPENSATED HYPERTHYROIDISM

24
Q

SIGN AND SYMPTOMS OF THYROID STORM

A

FEVER
TACHYCARDIA/TACHYPNEA
DEHYDRATION
PROFUSE SWEATING
AGITATION
DELIRIUM
PSYCHOSIS
COMA

25
Q

WHAT IS THE DRUG TREATMENT FOR THYROID STORM

A

PTU + LUGOL’S + PROPRANOLOL + DEXAMETHASONE
AND AGGRESSIVE COOLING

26
Q

LEVOTHYROXINE USE IN PREGNANCY. DOSE CHANGES?

A

SAFE
REQUIRE A 30 - 50 % INCREASE IN DOSE