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Toxic and Drug-Induced Changes of the Electrocardiogram

Jan 25, 2012 ... ECG changes. QRS widening. Right bundle branch pattern. R wave elevation in aVR lead. Rightward deviation of QRS axis. Ventricular tachycardia (VT) and ventricular .... interval (0.60 sec), PVB with R/T phenomenon (arrows) preceding a short episode of TdP ..... Aconite poisoning (Chinese herbs.


A Real-Time Cardiac Arrhythmia Classification System with

Sep 21, 2012 ... 2 School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, China ... Taking ECG as an example, the accuracy of further processing and cardiac arrhythmia classification are all based on the quality of raw ECG morphology. ... The block diagram of sensor node in iBoSen.


“Escape-Reentry-Capture” Trigeminy

phenomenon is "escape-reentry" bigeminy. Both "es- cape-capture" and ... tachycardia syndrome displaying an ECG pattern of. "escape-reentry-capture" during 24-hour telemetric. ECG on the second day of hospitalization. *From the Shanghai Sixth People's Hospital, Shanghai, China. CASE REPORT. An 80-year -old ...


A Novel Approach to ECG Classification Based upon Two-Layered

Mar 27, 2014 ... University of Chinese Academy of Sciences, Beijing 100049, China. 3 .... A diagram of the ECG sensor node and circuit board is shown in Figure 4. Figure 4. Diagram of the ECG sensor node and the ECG circuit board. 3. Methodology. 3.1. ..... arrhythmia signals and normal ECG signals. At the same time, ...


Atrial Tachycardia, 2:1 Alternate Wenckebach Periodicity, and Atrial

the ECG phenomenon is then called 2:1 alternate Wencke- bach periodicity This is encountered primarily in atrial tachyarrhythmias such as paroxysmal atrial tachycardia, atrial fibrillation and atrial flutter. ... *From the Shanghai Sixth Peoples Hospital, Shanghai, China. still in the sick sinus syndrome. Recently we saw a ...


Functional data analytic approach of modeling ECG T-wave shape

Sep 28, 2010 ... East China Normal University and National Institute of Statistical Sciences. The T- wave of an .... performs well in describing both normal and arrhythmia ECGs available in public libraries. Because the ..... Diagram of change in T-wave boundaries as a function of s; [a, b] is the T wave interval by the standard ...


ECG Identification Based on Wavelet Transform

Department of Network management center, Hainan Medical University, Hainan, 571199, China. 2. School of ... To ensure the accuracy of ECG identification, based on the theory of Wavelet transform we preprocess and ... After translation and dilation transformation to the basic wavelet transform function f(x), we can obtain ...


Different Automatic Mode Switching in DDDR Pacemakers

Feb 14, 2011 ... irregular paced ventricular intervals at the onset of an atrial arrhythmia before conversion to a non-tracking mode. Second, failure of the device to convert to a non-tracking mode because of intermittent undersensing of the atrial electrocardiogram may result in continued irregular or rapid ventricular pacing ...


Association of Implementation of Practice Standards for

Conclusions—Online ECG monitoring education and strategies to change practice can lead to improved nurses' knowledge, quality of .... China. The cardiac units were medical, surgical, or combined units and included both intensive care units and step-down/telemetry units. We also included .... CONSORT flow diagram:.


Continuous Electrocardiography in Dogs and Cats

Feb 22, 2012 ... A new electrocardiogram (ECG) was started in 1961 when J. Norman Holter introduced a system to record the ... arrhythmia as the cause of symptoms that occur during daily activities, b) prediction of future cardiac ..... phenomenon that can occur during treatment, especially the drug induced treatment, and.


Heart rate variability

and explanation. The major advantage of geometric methods lies in their relative insensitivity to the analytical quality of the series of NN intervals[20]. .... short-term recordings (e.g. c5 min) is a dubious meas- ure and should be avoided when interpreting the PSD of short-term ECGs. Measurement of VLF, LF and HF power  ...


Research on the ICU Heart Rate Monitoring Based on the Markov

Sep 27, 2013 ... Shandong Binzhou Vocational College, Binzhou, China [email protected] ... to obtain the heart rate value by ECG and arterial blood pressure heart rate signal, the application of signal quality .... phenomenon occurs, heart rate arrhythmia monitoring diagram is shown in Figure 2. Figure 2.


Okada 1..7

May 1, 2015 ... peutic levels, each drug induced a concentration-dependent characteristic type of ventricular arrhythmia, whereas .... propagate owing to the inhibition of Na current . The arrhythmogenic thresholds of the 12 drugs at both HRs are shown in Fig. 3C (the ECG responses of the ... Diagram of the assay system.


A Time-Domain Hybrid Analysis Method for Detecting and

Jan 5, 2014 ... T-wave alternans (TWA) in surface electrocardiograph (ECG) signals has been recognized as a marker of cardiac electrical instability and is hypothesized to be associated with increased risk for ventricular arrhythmias among patients. A novel time- domain TWA ... TWA is a phenomenon appearing in the.


A Statistical Index for Early Diagnosis of Ventricular Arrhythmia from

Arrhythmia from the Trend Analysis of ECG Phase-portraits. Abstract: In this paper ... diagrams are studied for a sliding window of 10 beats of ECG signal using the box-counting technique. Subsequently ... activities occurring at different parts of the heart leading to a desynchronisation phenomenon over a finite time frame.


ECG - A Pictorial Primer

David C Chung MD, FRCPC. Art work: Nelson HM Ip. Affiliation: The Chinese University of Hong Kong ... Horizontal axis of the ECG graph paper represents time in milliseconds (ms) while the ..... Sinus rhythm is regular with the exception of a phenomenon called sinus arrhythmia during which there is a minimal increase in ...


Radiofrequency Ablation vs. Antiarrhythmic Medication for

Feb 12, 2014 ... Chongqing Cardiac Arrhythmias Therapeutic Service Center, Chongqing, China; 2Department of. Biostatistics ... Key words˖premature ventricular contraction arrhythmia, catheter ablation, antiarrhythmic drug, ... ECG to have inferior axis and left bundle branch block (LBBB) QRS morphology, and 2) greater.


A novel transgenic rabbit model with reduced repolarization reserve

ECG parameters, including short-term variability of the QT interval (STVQT), ... We have created a novel transgenic LQT5 rabbit model with increased susceptibility to drug-induced arrhythmias that may represent a useful ..... Schematic drawing of the mutation in KCNE1 polypeptide (upper panel) and the transgene construct.



2nd Edition. A1 Introduction. A1 Stresses of Flight. A2 Medical Evaluation and Airline Special Services. A2. Medical Evaluation. A2. Airline Special Services. A3 Inflight Medical Care. A4 Reported Inflight Illness and Death. A4 Immunization and Malaria Prophylaxis. A5. Basic Immunizations. A5. Supplemental Immunizations.


Functional data analytic approach of modeling ECG T-wave shape

East China Normal University and National Institute of Statistical Sciences .... ECG record. This model has four interpretable parameters and performs well in describing both normal and arrhythmia ECGs available in public libraries. ..... Diagram of change in T-wave boundaries as a function of s; [a,b] is the T wave interval.