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RM, a 38-year-old woman who is attending graduate school and is very sedentary, comes to a community outpatient clinic. Her chief complaint is overwhelming fatigue that is not relieved by rest. She is so exhausted that she has difficulty walking to classes and trouble concentrating when studying. She reports a recent weight gain of 15 pounds (6.8 kg) over 2 months without clear changes in her dietary habits. Her face looks puffy, she has experienced excessive hair loss, and her skin is dry and pale. She says she has general body aches and pains with frequent muscle cramps and constipation. You note she is dressed inappropriately warmly for the weather. The physician orders lab work. The lab results are as follows:

WBC - WNL

HGB - WNL

Glucose - WNL

Amylase - WNL

Cholesterol - WNL

T4 (thyroxine) -↓

T3 (triiodothyronine) -↓

Thyroid-stimulating hormone (TSH) -↑

The physician diagnoses RM with an endocrine disorder. The assessment findings and lab work are consistent with which endocrine problem?

A.

Addison's Disease

B.

Cushing syndrome

C.

Hyperthyroidism

D.

Hypothyroidism

Answer and Explanation

The Correct Answer is D

Choice A reason: Addison's Disease is characterized by insufficient production of adrenal hormones, leading to symptoms like weight loss, hyperpigmentation, low blood pressure, and severe fatigue. The lab findings would typically show low sodium, high potassium, and low cortisol levels. RM's lab results and symptoms are not consistent with Addison's Disease, making this an unlikely diagnosis.
Choice B reason: Cushing syndrome results from excess cortisol production, often causing weight gain, particularly around the abdomen and face, thinning skin, and hypertension. RM's symptoms of fatigue, dry skin, hair loss, and weight gain without dietary changes do not align with Cushing syndrome, and her lab results do not indicate elevated cortisol levels.
Choice C reason: Hyperthyroidism is characterized by excessive thyroid hormone production, leading to symptoms like weight loss, anxiety, palpitations, and heat intolerance. RM's symptoms of weight gain, fatigue, and cold intolerance, along with her lab results showing low T4 and T3 and elevated TSH, are not consistent with hyperthyroidism.
Choice D reason: Hypothyroidism occurs due to an underactive thyroid gland producing insufficient thyroid hormones. This leads to symptoms such as fatigue, weight gain, cold intolerance, dry skin, hair loss, and constipation. RM's lab results showing low T4 and T3 levels and elevated TSH align with the diagnosis of hypothyroidism. The body's response to low thyroid hormone levels is to increase TSH production in an attempt to stimulate the thyroid gland. The clinical presentation and lab findings point towards hypothyroidism as the correct diagnosis.
 


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Related Questions

Correct Answer is ["B","C"]

Explanation

Choice A reason: Low T4 levels do not indicate hyperthyroidism. In fact, low levels of T4 are typically associated with hypothyroidism, a condition in which the thyroid gland does not produce enough thyroid hormones.
Choice B reason: High T4 levels are indicative of hyperthyroidism. In hyperthyroidism, the thyroid gland is overactive and produces excessive amounts of thyroid hormone (T4), leading to elevated T4 levels in the blood.
Choice C reason: Low TSH levels are also indicative of hyperthyroidism. The pituitary gland secretes TSH to regulate thyroid hormone production. When thyroid hormone levels are high, as in hyperthyroidism, the pituitary gland reduces TSH secretion, resulting in low TSH levels.
Choice D reason: High TSH levels are not associated with hyperthyroidism. Elevated TSH levels are more commonly seen in hypothyroidism, where the thyroid gland is underactive, and the pituitary gland compensates by increasing TSH production to stimulate the thyroid gland.

Correct Answer is A,D,B,E,C,F,G,H,I

Explanation

  1. Ensure MDHCP has discussed risks and benefits of blood transfusion. (a)
  2. Educate patient on signs and symptoms of transfusion reaction. (d)
  3. Obtain cross match and send it to blood bank. (b)
  4. Gain blood from bank, confirm correct patient, correct product, correct cross match with 2 RNs. (e)
  5. Initiate transfusion through a large gauge IV per hospital protocol. (c)
  6. Start transfusion slowly for the first 15 minutes and stay with patient for the first 15 minutes. (f)
  7. Increase rate of transfusion and monitor patient frequently. (g)
  8. Ensure transfusion is complete within 4 hours of starting. (h)
  9. Continue to monitor patient for transfusion reaction for 24 hours following transfusion. (i)

Rationale:

  1. Ensure MDHCP has discussed risks and benefits of blood transfusion: It's essential that the healthcare provider discusses with the patient the potential risks and benefits of receiving a blood transfusion. This step is crucial for informed consent.
  2. Educate patient on signs and symptoms of transfusion reaction: Before starting the transfusion, the patient should be educated on what signs and symptoms to watch out for that might indicate an adverse reaction, such as fever, chills, hives, or shortness of breath.
  3. Obtain cross match and send it to blood bank: A blood sample is taken from the patient to determine their blood type and to perform a crossmatch, which ensures that the donor blood is compatible with the patient's blood.
  4. Gain blood from bank, confirm correct patient, correct product, correct cross match with 2 RNs: Once the blood is ready, two registered nurses (RNs) will verify the patient's identity, the blood product, and the crossmatch results to ensure everything is correct before proceeding.
  5. Initiate transfusion through a large gauge IV per hospital protocol: The blood transfusion is started using a large gauge intravenous (IV) line, as per hospital protocols to ensure proper flow and reduce complications.
  6. Start transfusion slowly for the first 15 minutes and stay with patient for the first 15 minutes: The transfusion is started at a slow rate to monitor for any immediate adverse reactions. The healthcare provider stays with the patient during this time to closely observe them.
  7. Increase rate of transfusion and monitor patient frequently: If no adverse reactions are noted in the first 15 minutes, the rate of transfusion can be increased. The patient is monitored frequently throughout the transfusion for any signs of a reaction.
  8. Ensure transfusion is complete within 4 hours of starting: Blood products should be transfused within 4 hours to minimize the risk of bacterial growth and to ensure the effectiveness of the transfusion.
  9. Continue to monitor patient for transfusion reaction for 24 hours following transfusion: After the transfusion is complete, the patient is monitored for at least 24 hours for any delayed transfusion reactions, such as fever, allergic reactions, or other complications.

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