Cardiac Arrest Flashcards
Clinical death is a reversible state
true/false
True
Approx what is the period between clinical death to biological death?
3-6mins
Define sudden cardiac arrest
Death resulting from an abrupt loss of heart function
What is the most common form of cardiac arrest?
Coronary heart disease
What is given after 3rd defib shock when VF/pVT persists?
Adrenaline 1mg IV
Amiodarone 300mg IV
What are the non-shockable rhythms?
Asystole
Pulseless electrical activity
What does the P wave on ECG correspond to?
Depol of atria in response to SA node
What does the PR interval on ECG correspond to?
Filling of ventricles
What does the QRS complex on ECG correspond to?
Depol of ventricles
What does the ST segment of ECG correspond to?
Beginning of ventricle repolarisation
How does VT appear on ECG?
Regular
Dissociated p waves
Bizarre QRS
How does torsade se pointes present?
Sinusoidal pattern
Rate 200-250bpm