Where is the 4th intercostal space?

From the angle of Louis, move your fingers to the right and you will feel a gap between the ribs. This gap is the 2nd Intercostal space. From this position, run your fingers downward across the next rib, and the next one. The space you are in is the 4th intercostal space.

What electrodes are placed on the 4th intercostal space?

12-lead Precordial lead placement

  • V1: 4th intercostal space (ICS), RIGHT margin of the sternum.
  • V2: 4th ICS along the LEFT margin of the sternum.
  • V4: 5th ICS, mid-clavicular line.
  • V3: midway between V2 and V4.
  • V5: 5th ICS, anterior axillary line (same level as V4)
  • V6: 5th ICS, mid-axillary line (same level as V4)

Which ECG lead is placed on the 5th intercostal space at the midclavicular line?

Precordial leads: V4R: 5th intercostal space, right midclavicular line.

Where is the Midsternal line?

The midsternal line runs vertical down the middle of the sternum. Surface lines of the anterior thorax. The midsternal line is visible at the center, running vertically. It can be interpreted as a component of the median plane.

Which intercostal space would you place the electrode for V1?

4th intercostal space
Placement of Lead V1 Gently move your fingers over the 3rd rib to the 3rd intercostal space, and then over the 4th rib to the 4th intercostal space. The electrode is placed here (4th intercostal space right sternal border).

Is tricuspid valve at 4th or 5th intercostal?

Left lower sternal border (tricuspid) is the fourth intercostal space to the left of the sternum. You can best hear tricuspid valve and right heart sounds in this area.

Is there a 4 lead ECG?

The ECG should be marked as a Right-sided ECG. V4R (V4 but right sided) is a sensitive lead for diagnosing right ventricular infarctions. 2. Leads V7-V8-V9 can be used to diagnose a posterior infarct.