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Defibrillation Strategies for Refractory Ventricular Fibrillation. Defibrillation Strategies for Refractory Ventricular Fibrillation. He has been an ACLS instructor for close to 30 years and notably his first publication focused on out-of-hospital defibrillation. Defibrillation Strategies for Refractory Ventricular Fibrillation.
15 minutes after EMS arrival, after at least 6 defibrillations, the patient achieved sustained ROSC. Meyers and Smith in the October 15, 2022 post of Dr. Smith's ECG Blog ). 15, 2022 post — I like to focus on the ST-T wave appearance in leads V1 and V6 to facilitate recognition of Precordial Swirl. 15, 2022 post).
As this case shows, electrical capture isn't always possible at lower currents, especially with pads placed in a standard anterolateral "defibrillation" position. The University of Maryland found that capture occurred in only 42-78% of patients, dependent on pad positioning (Moayedi et al, 2022).
Date: October 18th, 2022 Reference: Moore et al. Resuscitation 2022 Guest Skeptic: Clay Odell is a Paramedic, Firefighter, and registered nurse (RN). Date: October 18th, 2022 Reference: Moore et al. Resuscitation 2022 Guest Skeptic: Clay Odell is a Paramedic, Firefighter, and registered nurse (RN).
Background Information: Double external defibrillation (DED) is an intervention often used to treat refractory ventricular fibrillation (RVF). This procedure involves applying another set of pads attached to a second defibrillator to a patient and shocking them in hopes of terminating the rhythm. N Engl J Med.
2 Standard management for VT and VF involves the use of electrical defibrillation, high-quality chest compressions, and epinephrine. Initial guidelines defined “refractory” as VT or VF occurring despite three shocks from a cardiac defibrillator. Tips for use of dual sequence defibrillation 11 : Use the same model of defibrillator.
2 If Torsade de Pointes develops, defibrillate the patient if unstable, give magnesium, and consider overdrive pacing. Published 2022. J Emerg Crit Care Med Vol 6 (October 30, 2022) J Emerg Crit Care Med. If the EKG is normal in an asymptomatic patient at 6 hours, there is low likelihood of cardiac complication. 1 Class IA (e.g.,
2022 Jan;48(1):78-91. 2022 Sep;21(9):781-791. 2022 Sep 15;387(11):989-1000. 2022 Sep 18. 2022 Aug;41(4):101096. Epub 2022 Apr 28. PMID: 35490863 Hands on defibrillation: Even if it’s safe, would it actually help? Ex vivo evaluation of personal protective equipment in hands-on defibrillation.
2022 Date: February 15, 2023 Guest Skeptic: Dr. Carlie Myers is Pediatric Critical Care Attending at Cincinnati Children’s Hospital Medical Center. 2022 Date: February 15, 2023 Guest Skeptic: Dr. Carlie Myers is Pediatric Critical Care Attending at Cincinnati Children’s Hospital Medical Center. Pediatric Crit Care Med.
The patient received 1 mg of epinephrine IV x2 with conversion of his rhythm to ventricular fibrillation (VF) for which he was defibrillated twice in the field. The patient is moved over to the stretcher and connected to the monitors and defibrillator. ASAIO Journal: February 2022 – Volume 68 – Issue 2 – p 153-162.
He underwent further standard resuscitation EXCEPT that we applied the Inspiratory Threshold Device ( ResQPod ) AND applied Dual Sequential Defibrillation (this simply means we applied 2 sets of pads, had 2 defib machines, and defibrillated with both with only a fraction of one second separating each defibrillation.
He required multiple defibrillations within a period of a few hours. This time, the arrhythmia did not spontaneously terminate — but rather degenerated to VFib, requiring defibrillation. Some episodes of PMVT would terminate spontaneously — but on many occasions, the PMVT degenerated to VFib, requiring defibrillation.
She was successfully revived after several rounds of ACLS including defibrillation and amiodarone. 2022 Jul;27(4):e12939. Epub 2022 Feb 11. I last reviewed the phenomenon of electrical alternans in My Comment at the bottom of the page in the November 28, 2022 post of Dr. Smith's ECG Blog. Ann Noninvasive Electrocardiol.
In May 2022, I came across a fellow passenger and stranger in cardiac arrest at the Charlotte airport. This story is a reminder of the importance of continuous chest compressions, early defibrillation, and that what we do in emergency and prehospital medicine matters.
Today's case reminds us of the intuitive logic that if a patient has a shockable arrest ( ie, VFib ) — and following successful defibrillation shows evidence of acute OMI ( even if STEMI criteria are not necessarily fulfilled ) — that such patients have much to gain from immediate cath with PCI. ( The April 8, 2022 post by Drs.
We can, therefore, put down the defibrillation pads, set aside the amiodarone, and look further at the ECG. Paradoxically, though, the third green arrow identifies a QRS that is more narrow than the RBBB complexes surrounding it. Question 2: What explains the conduction abnormalities? Indian Pacing and Electrophysiology Journal, 6(3), 182-83.
But artifact is "alive and well" — and learning to recognize it will amaze many of your colleagues ( and may serve to avoid an unnecessary defibrillation or two ). The October 21, 2022 post — for " artifactual VT". Like most clinicians — I learned about artifact "the hard way" = by seeing clinical cases that initially fooled me.
CPR is taken over by responding crews, and he is placed on a cardiac monitor/defibrillator. After several cycles of defibrillation, epinephrine, and amiodarone, the patient remains in cardiac arrest. Vallentin, Povlsen, Granfeldt, Terkelsen, & Andersen, 2022). He is found to be in ventricular fibrillation (VF).
Searching for regular QRS complexes marching through potential artifact can help distinguish artifactual vs. actual ECG rhythms. == MY Comment, by K EN G RAUER, MD ( 10/19 /2022 ): == Today’s case by Dr. Meyers ( submitted by Dr. Arjun JV ) — is important for recognizing what it is not. This is not VFib or polymorphic VT!
Background: There are only two interventions that have been proven in the medical literature to improved outcomes in cardiac arrest: high-quality CPR and early defibrillation. Resuscitation 2022; 179: 9-17. Resuscitation 2022; 179: 9-17. It is imperative that we continue to look at ways to improve cardiac arrest resuscitation.
This episode self terminated before defibrillation was possible. This run of TdP is initiated by a PVC — but it then self-terminates. ECG #3 Interpretation of ECG #3: This rhythm begins as Torsades de Pointes — that then becomes V-Fib. Discussion : The patient in today’s case presented with "seizures".
We use portable electrocardiogram (ECG) machines to monitor heart rhythms and are equipped to administer life-saving interventions like defibrillation or medication administration to stabilize the heart rhythm.
The patient was put on Extracorporeal Life Support in the ED 3 hours after initial resuscitation, the core temp was 30° C and the patient was defibrillated with a single attempt. On arrival, CPR was continued and core temperature was measured at 18° C (64.4° A 12-lead ECG was recorded: There is sinus rhythm with RBBB and right axis deviation.
It was reportedly a PEA arrest; there was no recorded V Fib and no defibrillation. If you use quantitative end-tidal CO2 monitoring, there is never any need to waste time making sure that the endotracheal tube is correctly placed. == MY Comment, by K EN G RAUER, MD ( 10/10/2022 ): == Today’s case is a “Save”!
Rhythm C: This telemetry strip from an older adult was initially thought to need defibrillation. The October 21, 2022 post — for " artifactual VT". Rhythm B: This patient was seen in the ED — and thought to be in AFlutter with 4:1 AV conduction. The March 17, 2023 post — for PTA. The January 17, 2023 post — for PTA.
When the ICD was finally interrogated, the syncopal events and shocks correlated with two VF events that were defibrillated successfully. The vessel was likely patent or nearly patent at the time of this ECG.
We examined the effect of ibutilide, a class III antiarrhythmic agent, on the energy requirement for atrial defibrillation and assessed the value of this agent in facilitating cardioversion in patients with atrial fibrillation that is resistant to conventional transthoracic cardioversion. 25, 2022 ).
She was defibrillated and resuscitated. J Electrocardiol [Internet] 2022;Available from: [link] Cardiology opinion: Takotsubo Cardiomyopathy (EF 30-35%) V Fib Cardiac arrest Prolonged QTC NSTEMI (Smith comment: is it NSTEMI or is it Takotsubo? -- these are entirely different) Moderate single-vessel CAD.
Several 200 J shocks did not terminate the VF, so a second defibrillator was applied for double sequential defibrillation with 400 J. She was defibrillated perhaps 25 times. Propranolol versus Metoprolol for treatment of electrical storm in patients with implantable cardioverter-defibrillator. SanzRuiz, R., Solis, J., &
One randomized control trial by showed that in patients with ventricular arrhythmias, an implantable cardioverter-defibrillator plus amiodarone may reduce sudden cardiac death and CHF exacerbations/hospitalizations when compared with amiodarone alone. Accessing anti-trypanosomal drugs in the U.S. Retrieved from [link] Gali, W. Sarabanda, A.
In this case, you should get a second defibrillator and perform double sequential external defibrillation (DSED). Simply attach a second defibrillator as shown in the diagram below and deliver max shocks from both devices simultaneously. In the second case, the patient never converted meaning the shock did not do its job at all.
The submitter started the patient on amiodarone and arranged implantation of a defibrillator. == MY Comment , by K EN G RAUER, MD ( 12/27 /2024 ): == Superb discussion by Dr. Frick in today's case, that highlights a series of important points regarding the ECG recognition of stable VT ( V entricular T achycardia ).
Most patients can be managed without and implantable cardioverter defibrillator (ICD) In patients with PVCs/VT and a presentation not typical for an idiopathic origin cardiac magnetic resonance (CMR) should be considered, even if the Echo is normal. 2022, September 2) [2] Ward, R. Van Zyl, M., & & DeSimone, C. 3] Lavalle, C.
He was defibrillated twice and received two doses of epinephrine, with return of spontaneous circulation. He underwent placement of a dual chamber, implantable, cardioverter-defibrillator (ICD) placement on hospital day 5. 2022; 8(3):386-405. There was no family history of syncope or sudden death. Figure 1: The EMS rhythm strip.
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