Explain the pathophysiology of Mr. M.’s heart disease

Explain the pathophysiology of Mr. M.’s heart disease

NURS 4700

Lesson #3 CHF Case Study


Meet your Patient Mr. M.:


  • M., 70-year-old Franco-Canadian gentleman, now living in Oshawa; had been married for 45 years but has been recently widowed; was admitted to the medical unit with complaints of increasing dyspnea on exertion; retired since age 58; worked in underground mining since 18 years of age and has a 50 pack year history of smoking. Mr. M. has two children, a daughter lives in Manitoba and a son lives in Newfoundland.


Subjective Data

  • Had a severe MI at 58 years of age
  • Has experienced increasing dyspnea on exertion during the last 2 years
  • Recently had a respiratory tract infection, frequent cough, and edema in legs over last two weeks
  • Lives on the third floor of apartment building with no elevator
  • Cannot walk two blocks without getting short of breath
  • Has to sleep with head elevated on three pillows
  • Does not always remember to take medication


Objective Data


Physical Examination

  • Respiratory distress, use of accessory neck muscles, respiratory rate 36 breaths/min
  • Heart murmur S1 S2-Aortic systolic murmur III/VI
  • Moist crackles in both lungs
  • Cyanotic lips and extremities
  • Skin cool and diaphoretic
  • Appears anxious
  • V/S 150/90, Pulse 88, RR 36/min. Temp 37 C, O2 Saturation 95% on room air.


Diagnostic Studies

  • Chest x-ray results: cardiomegaly with right and left ventricular enlargement; fluid in lower lung fields


Physician’s orders for Mr. M.

  • Lab work: Electrolytes, CBC, Creatinine, BUN,
  • B-type naturietic peptide, troponin levels, lactic acid
  • Digoxin 0.25 mg PO qd
  • Furosemide (Lasix) 40 mg IV bid
  • Potassium 40 mEq PO bid
  • Captopril (Capoten) 12.5 mg PO tid
  • 2 g sodium diet
  • Oxygen 6 L/min
  • Daily weights
  • Daily 12-lead ECG, cardiac enzymes q8hr x 3


Lab Results for Mr. M.

  • Potassium 3.4 mmol/L
  • Sodium 127 mmol/L
  • Chloride 87 mmol/L
  • Creatinine 120 umol/L
  • Urea nitrogen (BUN) 5 mmol/L
  • Lactic acid 4.0 mmol/L
  • Osmolality 270 mmol/kg
  • Troponin T (cTnT) <1.0 mcg/L
  • Hematocrit 0.28 volume fraction
  • Hemoglobin 130 g/L
  • B-type naturietic peptide 105 ng/L


Critical Thinking Questions:

  1. Explain the pathophysiology of Mr. M.’s heart disease.
  2. What clinical manifestations of heart failure is Mr. M. exhibiting?
  3. What is the significance of the findings of the chest x-ray?
  4. What is the significance of each of the lab values?
  5. What complications might occur as a result of Mr M.s heart failure?
  6. Explain the rationale for each of the medical orders prescribed for Mr. M. Is there anything missing from the orders that you believe needs to be included?
  7. What are appropriate nursing interventions for Mr. M.?
  8. What teaching measures should be instituted to prevent recurrence of an acute episode of heart failure?
  9. What Best Practice Guideline(s) should be considered?
  10. Considering all that is going on with Mr. M., what would you include in your discharge planning? What is going on at home? What is going on in his life?




The post Explain the pathophysiology of Mr. M.’s heart disease appeared first on nursing assignment tutor.


“Are you looking for this answer? We can Help click Order Now”


“Looking for a Similar Assignment? Get Expert Help at an Amazing Discount!”

The post Explain the pathophysiology of Mr. M.’s heart disease first appeared on nursing writers.



Essay Writing Service