Recording of ECG

_______ is the voltage between LL and RA.

• Voltage I

• Voltage II

• Voltage III

• Voltage IV

_______ is the voltage between LA and RA

• Voltage I

• Voltage II

• Voltage III

• Voltage IV

_______ is the voltage between LL and LA.

• Voltage I

• Voltage II

• Voltage III

• Voltage IV

For Lead II, _______ is connected to the amplifier's non-inverting input.

• RA

• LA

• RL

• LL

For Lead I, _______ is connected to the amplifier's non-inverting input.

• RA

• LA

• RL

• LL

According to Kirchhoff's voltage law, _______.

• VI - VII + VIII = 0

• VI + VII + VIII = 0

• VI + VII - VIII = 0

• VI - VII - VIII = 0

Based on the leads placement, this is an _______.

• aVR

• AVL

• aVF

Based on the leads placement, this is an _______.

• aVR

• AVL

• aVF

Based on the leads placement, this is an _______.

• aVR

• AVL

• aVF

The _______ is located at the fourth intercostal space, on the left sternal margin.

• V1

• V2

• V3

• V4