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q explain reproducibility of venricular ectopy experimentally it has been shown that pvcs are frequently seen at the inception of acute ischaemia
explain hazard identificationhazard identification is the identification of biological chemical and physical agents capable of causing
q can you explain ventricular tachycardiathe term is usually reserved for at least four or more beats and modified by the term non sustained short
q what do you mean by st-segment in exercise induced pvcansover the years it has been believed that repolarization in ventricular ectopic
define risk assessmentrisk assessment has been described as the process of organizing information concerning a
as the heart rapidly slows during recovery from exercise pvcs commonly occur and usually have no clinical significance this may be a time when
q abolition of arrhythmias by exercisethe induction of arrhythmias by exercise is well recognized but the abolition of ectopic activity is less
ventricular arrhythmias are usually produced by excess catecholamines and vagal withdrawal and occasionally re-entry and triggered activity also
q what do you mean by ventricular arrhythmiasconsiderable disagreement exists regarding the significance of resting ventricular ectopic beats in
explain risk management risk management the process of weighing policy alternatives to accept minimize or reduce assessed
q what is atrial extrasystolesatrial premature beats often occur at lower workloads and have little significance as exercise increases they usually
risk characterization risk characterization integration of hazard identification hazard characterization and exposure
what is exposure assessmentexposure assessment the qualitative and quantitative evaluation of the degree of intake likely to
q what is supraventricular arrhythmiassuch arrhythmia tend to be reduced by the vagal withdrawal accompanying the onset of exercisethis and wandering
q what is st depression at restas early as 1965 ostrand called attention to the syndrome of short pr interval without accelerated conduction and its
q what is sick sinus syndromeanswhen a slow resting pulse fails to accelerate normally with exercise it has been labeled chronotropic incompetence
what is hazard identificationhazard identification the identification of known or potential health effects associated
q rhythm and conduction disturbancesalterations in cardiac rhythm occur frequently with exercise and are important in understanding a patients
explain risk assessmentrisk assessment the scientific evaluation of known or potential adverse health effects
q define st elevation in avrlead avr often develops st elevation as a reciprocal of st depression in lead v2 to v6 or leads 2 and 3 it may
q describe u - wavesthe u-wave is usually upright if the t is also upright and is highest at low rates when the heart rate increases to more than 90
q can you define p-waveschanges in p-wave morphology have been well described in resting tracings and are very useful in identifying right and left
explain risk analysis risk analysis a process consisting of three components risk assessment risk management and
q what is tall t-waveit has been reported that tall t-wave during or after exercise indicate inferior wall ischaemia however ellestad reports the
q what is peaked t-wavesexercise induced increase in t-wave amplitude in v2 is quite predictive of anterior wall ischaemia specificity 95 percent it