05-14-2014, 06:22 PM
The following results were obtained from a patient in the catheterization lab
Heart rate..........=60 beats/min
O2 consumption =120 ml/min
Blood O2 contents:
Systemic veins .....=14 ml O2 /100 ml blood
Right atrium..........=14 ml O2 /100 ml blood
Right ventricle.......=14 ml O2 /100 ml blood
Pulmonary artery..=16 ml O2 /100 ml blood
Pulmonary vein.....=20 ml O2 /100 ml blood
Left atrium............=20 ml O2 /100 ml blood
Brachial artery.......=20 ml O2 /100 ml blood
Based on the above data, the appropriate diagnosis for this patient is:
A. Patent ductus arteriosus
B. Ventricular septal defect
C. Atrial septal defect
D. Shunting of blood from the right ventricle to the left ventricle
Heart rate..........=60 beats/min
O2 consumption =120 ml/min
Blood O2 contents:
Systemic veins .....=14 ml O2 /100 ml blood
Right atrium..........=14 ml O2 /100 ml blood
Right ventricle.......=14 ml O2 /100 ml blood
Pulmonary artery..=16 ml O2 /100 ml blood
Pulmonary vein.....=20 ml O2 /100 ml blood
Left atrium............=20 ml O2 /100 ml blood
Brachial artery.......=20 ml O2 /100 ml blood
Based on the above data, the appropriate diagnosis for this patient is:
A. Patent ductus arteriosus
B. Ventricular septal defect
C. Atrial septal defect
D. Shunting of blood from the right ventricle to the left ventricle