You are assisting in the care of a 65-year-old man who has been hospitalized for chest pain. He has a medical history of hypertension, angina, and is a current smoker of 20 cigarettes per day. Upon admission, blood tests were conducted in the Emergency Department and revealed the following results:
– Na+ 133 mmol/l
– K+ 3.3 mmol/l
– Urea 4.5 mmol/l
– Creatinine 90 µmol/l
What is the most likely cause of the electrolyte abnormalities observed in this patient?
A 35-year-old man visits his primary care physician complaining of dysuria and frequent urination since yesterday. He has also observed that his urine is cloudy and has a foul odor. He has no flank pain and is in good health overall. He has never had these symptoms before. Upon urinalysis, nitrites and leukocytes are detected. What is the most suitable initial treatment?
A 65-year-old man visits his GP for a routine check-up. He has a history of hypertension and is currently taking ramipril 5mg, amlodipine 10mg, and indapamide 2.5mg. Despite good adherence to his medications, his blood pressure has been consistently elevated during his previous appointments. Upon conducting ambulatory blood pressure monitoring, his average blood pressure is found to be 152/78 mmHg. His recent blood test results are as follows:
– Na+ 134 mmol/L (135 – 145)
– K+ 4.9 mmol/L (3.5 – 5.0)
– Bicarbonate 24 mmol/L (22 – 29)
– Urea 6 mmol/L (2.0 – 7.0)
– Creatinine 125 µmol/L (55 – 120)
What would be the most suitable course of action to manage his hypertension?
A 29-year-old pregnant woman presents to the GP clinic for a review. She is currently 8 weeks pregnant and has undergone urine microscopy, culture, and sensitivity tests. Despite having no fever or dysuria, the following results were obtained:
– Red blood cells < 106/L
– White blood cells 100 x 106/L
– Culture Escherichia coli > 106/L colonies
– Sensitivity trimethoprim sensitive, cefalexin sensitive, nitrofurantoin resistant
What would be the most appropriate course of action for management?
A 65-year-old man presents to the emergency department with a 12-day history of muscle cramping and fatigue. His blood tests and ECG are as follows:
– Na+ 140 mmol/L (135 – 145)
– K+ 3.7 mmol/L (3.5 – 5.0)
– Bicarbonate 28 mmol/L (22 – 29)
– Urea 6.2 mmol/L (2.0 – 7.0)
– Creatinine 95 µmol/L (55 – 120)
– Calcium 1.7 mmol/L (2.1-2.6)
– Phosphate 1.3 mmol/L (0.8-1.4)
– Magnesium 0.62 mmol/L (0.7-1.0)
The patient’s ECG shows a regular sinus rhythm with a rate of 72 BPM and a QTc of 480 ms. What is the most appropriate next step in management?