an electrocardiogram (ecg) leads physicians to diagnose many potentially life-threatening cardiac, metabolic, electrolyte, and toxicological conditions. this study was designed to evaluate the competency of emergency medicine residents (emrs) in comparison with cardiologists in the interpretation of ecg when an interpretation checklist is used. this clinical trial was done in the emergency ward...

abstract background: brugada syndrome (bs) is an inherited ion channelopathy characterized by an electrocardiographic (ecg) pattern of a coved type st segment elevation in right precordial leads with or without right bundle branch block. case presentation: a 23-year old male presented with right lower quadrant abdominal pain. further evaluation revealed a diagnosis of acute appendicitis. the pa...

introduction atrial standstill is a rare condition, characterized by absence of atrial electrical and mechanical activity evident in surface electrocardiography echocardiography, or fluoroscopy, which is associated with unresponsiveness of atria to maximal output electrical stimulation. this condition can be present with thromboembolic complication, low cardiac output, and sometimes palpitation...

Recent evidence suggests that late auditory evoked potentials (LAEP) provide a useful objective metric of performance in cochlear implant (CI) subjects. However, the CI produces a large electrical artifact that contaminates LAEP recordings and confounds their interpretation. Independent component analysis (ICA) has been used in combination with multi-channel recordings to effectively remove the...

In the course of routine fast spin echo (FSE) magnetic resonance (MR) imaging of knees, we have noticed a distinct and recurrent artifact on MR sagittal knee images. The artifact usually appears as a focal dot of high signal intensity and/or c-shaped ripples at a non-orthogonal angle (Figure 1). The technical features of this artifact have been previously described in an ISMRM abstract in 1995,...

Creativity studies focus on the processes that produce creative artifacts and how we evaluate an artifact to determine if it is creative. This paper focuses on the essential criteria in evaluating if a potentially creative artifact is creative. Evaluating creativity is still largely subjective and not well supported with computational tools. An evaluation metric is presented as a way of measuri...

Diagnosing cardiac conditions require careful examination of an electrocardiogram (ECG). However, a significant issue arises when capturing ECG due to interference from various noises. Noises like power line (PLI) and muscle artifact (MA) change the morphology, making it difficult interpret original signal. Our research proposes improved variational mode extraction (IVME) technique using Heap-b...

Many business process analysis models have been proposed, however there are few discussions for artifact usages in workflow specifications. A well-structured business process with sufficient resources might fail or yield unexpected results dynamically due to inaccurate artifact specification, e.g. an inconsistency between artifact and control flow, or contradictions between artifact operations....

This paper presents our artifact meta-models designed for facilitating artifact selection and composable simulation. In particular, meta-models incorporate function and form attributes to explicitly describe external characteristics and inter-connection requirements of artifacts. In addition, artifact meta-models are associated with behavior models, so that a user can choose artifacts with desi...

Statements on artifact mutability are considered a core component of design theories, but the understanding of this phenomenon is fragmented and limited. To mitigate this issue, we build a framework of artifact mutability that is structured into six generic dimensions: paradigmatic perspective, intentionality, drivers, scope, temporality, and artifact layers. We review existing design theories ...