The 5 H's and 6 T's are a list of the common causes of Electromechanical Dissociation (EMD) or Pulseless Electrical Activity (PEA).
When a patient presents or deteriorates to have EMD/PEA, a consideration of these items
5 H's
- Hypo or Hyperkalemia
- Hypovolemia
- Hypothermia
- Hyperkalemia
- H+ (Acidosis)
6 T's
- Tension Pneumothorax
- Tamponade (Cardiac)
- Thromboembolism (Massive PE)
- Thrombosis (Coronary)
- Trauma (Stunned myocardium)
- Toxins (Drug OD, ingestions)