The following haemodynamic data is available from a patient with pulmonary artery catheter inserted: Pulse rate – 100 beats per minute, Blood pressure – 120/70mmHg, Mean central venous pressure (MCVP) – 10mmHg, Right ventricular pressure (RVP) – 30/4 mmHg, Mean pulmonary artery wedge pressure (MPAWP) – 12mmHg. Which value best approximates the patient’s coronary perfusion pressure?
All of the following options describes a thermistor for the measurement of temperature except:
A 30 year old male was the victim of an electrocution injury and has been treated. The option that best describes the current levels for this injury is:
With regards to devices for temperature management, all of these are used EXCEPT:
The following are results of some pulmonary function tests: (Measurement – Predicted result – Test result). Forced vital capacity (FVC) (btps): 3.21, – 1.94. Forced expiratory volume in 1 second (FEV1) (btps): 2.77, 1.82. FEV1/FVC ratio % (btps): 81.9, 93.5. Peak expiratory flow (PEF) (L/second): 6.55, 3.62. Maximum voluntary ventilation (MVV) (L/minute): 103, 87.1 Which statement applies to the results?
A 50-year old man for septoplasty has a BMI of 32kg/m2 and neck circumference of 44 cm. He is troubled by intermittent nasal obstruction which causes his partner sleeps in a separate bedroom because of snoring. He currently on ramipril for hypertension. Which of the following best approximates to his STOP-BANG score from the information above?
Which one of the following patients presenting for elective surgery has an American Society of Anaesthesiologists (ASA) preoperative physical status grading of III?
A 77-year-old woman is scheduled for day case cataract surgery under local anaesthesia. She has no cardiac or respiratory problems. Lisinopril is being used to treat her hypertension, which is under control. Which of the following preoperative investigations are the most appropriate for this patient?
Systemic vascular resistance (multiplied by 80) to produce the units of dynes.s.cm-5 is represented by?
Which measurements is the most accurate for predicting fluid responsiveness?