Final answer:
Pulseless Electrical Activity (PEA) rhythm is a cardiac arrest rhythm characterized by the absence of a palpable pulse despite the presence of electrical activity on an electrocardiogram (ECG) monitor. It is a life-threatening condition that requires immediate medical intervention.
Step-by-step explanation:
Pulseless Electrical Activity (PEA) rhythm is a cardiac arrest rhythm characterized by the absence of a palpable pulse despite the presence of electrical activity on an electrocardiogram (ECG) monitor. In PEA rhythm, the heart may have electrical activity on the ECG, but it does not generate a strong enough contraction to produce a palpable pulse. This is usually due to a problem with the heart's mechanical function, such as a blockage in the blood vessels or a weakened cardiac muscle.
For example, if a patient is in a PEA rhythm, their heart rate may appear normal on the ECG monitor, but there will be no pulse when you check their carotid artery. Instead of a regular contraction, the heart may have weak quivering movements. It is important to note that PEA is a life-threatening condition that requires immediate medical intervention, such as cardiopulmonary resuscitation (CPR) and advanced cardiac life support (ACLS).