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Ventricular fibrillation (V-fib or VF) is an abnormal heart rhythm in which the ventricles of the heart quiver. [2] It is due to disorganized electrical activity. [2] Ventricular fibrillation results in cardiac arrest with loss of consciousness and no pulse. [1] This is followed by sudden cardiac death in the absence of treatment. [2]
Cardiac arrest is also identified by a lack of central pulses and abnormal or absent breathing. [1] Cardiac arrest and resultant hemodynamic collapse often occur due to arrhythmias (irregular heart rhythms). Ventricular fibrillation and ventricular tachycardia are most commonly recorded. [14]
Precordial thump is a medical procedure used in the treatment of ventricular fibrillation or pulseless ventricular tachycardia under certain conditions. The procedure has a very low success rate, but may be used in those with witnessed, monitored onset of one of the "shockable" cardiac rhythms if a defibrillator is not immediately available.
Ventricular tachycardia may result in ventricular fibrillation (VF) and turn into cardiac arrest. [2] [3] This conversion of the VT into VF is called the degeneration of the VT. It is found initially in about 7% of people in cardiac arrest. [2]
Ventricular fibrillation, quickly followed by cardiac arrest and (if not treated) death: Usual onset: Within seconds after impact: Causes: Sufficient blow to the precordium between 10 and 40 milliseconds before the peak of the T wave portion of normal cardiac rhythm: Risk factors: Coronary ischemia can reduce amount of impact energy required to ...
Ventricular fibrillation occurs in the ventricles (lower chambers) of the heart; it is always a medical emergency. If left untreated, ventricular fibrillation (VF, or V-fib) can lead to death within minutes. When a heart goes into V-fib, effective pumping of the blood stops. V-fib is considered a form of cardiac arrest.
Within the group of people presenting with cardiac arrest, the specific cardiac rhythm can significantly impact survival rates. Compared to people presenting with a non-shockable rhythm (such as asystole or PEA), people with a shockable rhythm (such as VF or pulseless ventricular tachycardia) have improved survival rates, ranging between 21 and ...
12-lead ECG of ventricular fibrillation. Primary ventricular fibrillation (PVF) is an unpredictable [1] and potentially fatal arrhythmia occurring during the acute phase of a myocardial infarction leading to immediate collapse and, if left untreated, leads to sudden cardiac death within minutes.
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related to: vf in cardiac arrestwexnermedical.osu.edu has been visited by 10K+ users in the past month
262 Neil Avenue # 430, Columbus, Ohio · Directions · (614) 221-7464