A 50-year-old man is admitted in hospital. Over four hours, he produces 240 mL of urine and has a plasma creatinine concentration is 10 mcg/mL. The normal concentration of creatinine in urine is 1.25 mg/mL. Calculate his approximate creatinine clearance.
Which of the following options will cause an artificial increase in pulse oximeter (SpO2) readings?
Blood pressure monitoring is a requirement for in-patient care. Different factors can result in an inaccurate blood pressure reading, including the damping of an arterial waveform. How does a damped arterial waveform affect blood pressure measurements?
A 76-year-old female, presents to her GP. She complains of fatigue and increased shortness of breath. On examination, she is noted to have pallor, an increased respiratory and heart rate. Her GP requests further diagnostic investigations, including a full blood count (FBC) which finds decreased MCV and MCHC. What is the most likely cause of her symptoms?
Which of the following is a true statement about invasive arterial pressure monitoring?
Which of the following lung parameters can be measured directly using spirometry?
Which of the following statements about the central venous pressure (CVP) waveform is true?
A 20-year-old female presents to the emergency department. She complains of increased shortness of breath and wheezing over the last 48 hours. On examination, she is found to have tachycardia, tachypnoea, and oxygen saturation at 91% on air. She admits to a previous medical history of asthma, diagnosed 4 years ago. She requires further investigations for diagnosis. Which of the following is true about the assessment of a patient with symptomatic asthma?
Of the following statements, which is true about the measurements of cardiac output using thermodilution?
Which of the following is a correctly stated fundamental (base) SI unit?