THUMPER CPR DEVICE HOW TO

Defibrillation success is dependent on maintenance of an adequate circulation (e.g.CPR is a challenge in during transport – especially in a moving ambulance.Provisional Results of the “CIRC” Trial are now undergoing scrutiny having been presented at various conferences. Although the study was stopped early, later analysis suggested that this may have been due to protocol errors at one particular site rather than a truly harmful effect from mechanical CPR. End Tidal CO2 if often in the refractory low range (10mins of delay to apply the device in most cases which may have worsened outcomes significantly in the mechanical CPR group.There is ischaemia and cell death associated with prolonged hypoperfusion and a progressive severe metabolic acidosis.There is a low chance of Return of Spontaneous Circulation (ROSC) due to accumulation of metabolic abnormalities.Phase 3 – The Metabolic Phase – things ‘look really bad’ now!.D rugs may be helpful (at least in theory) to obtain ROSC.

Several shocks may be required to revert VF.

This is the principle behind the emphasis on good quality CPR in the updated International Liaison Committee on Resuscitation (ILCOR) recommendations for resuscitation from 2010.

Patients with ‘non shockable’ rhythms such as Pulseless Electrical Activity (PEA) and Asystole start in this phase.

Good quality (early) CPR is more likely to result in a Return of Spontaneous Circulation (ROSC).

Phase 2 – The Circulatory Phase – effective CPR will theoretically “prime the pump”.

The basis behind the widespread uptake of Automated Electrical Defibrillators (AEDs) in the out of hospital setting.

DC shock should be administered as early as possible here.

Principle behind early defibrillation (and precordial thump) in witnessed arrests in hospital.

A Key concept in the “Chain of Survival”.

Phase 1 – The Electrical Phase – an early shock should result in a Return of Spontaneous Circulation (ROSC) in patients with Ventricular Fibrillation (VF).

It can be helpful to think of CPR in 3 distinct phases:

THUMPER CPR DEVICE HOW TO

On-going discussion of how to improve survival from cardiac arrest is an important public health issue. The chain of survival includes recognition (and calling for help), early CPR, early defibrillation and expert post resuscitation care including angioplasty therapy in the catheter lab.ĭisappointingly, overall mortality rates have only marginally improved in the last 10 years despite rollout of public education, training of healthcare professionals and improvement in emergency medical systems. The chain of survival (shown below) emphasises the key steps in attempting to achieve an improvement in the currently low rates of survival in sudden cardiac arrest.

Thumper cpr device