…A single central feature is enough to proceed with urgent investigation , and a normal CT of the brain does not exclude an infarction in the…

…episodes Iatrogenic events (e.g., during central venous catheter insertion) Underlying lung pathologies In cases of benign pneumothorax, positive pressure ventilation can precipitate a tension…

…most important dangerous differential diagnosis. Clear focal neurological findings are absent in roughly half of patients with a central cause. A normal routine neurological examination…

…edge of the tissue is decisive: benign tissue requires about −25 °C for reliable cell death, malignant tissue about −50 °C. The outer limit of…

…of symptoms etc. Chest pain is one of the most nuanced symptoms in clinical practice and it is fundamental to be able to differentiate benign…

…Thromboembolism). There are genetic syndromes that result in the emergence of multiple myxomas. Papillary fibroelastoma Papillary fibroelastoma is benign primary tumors affecting adults. These tumors…

…ventricular fibrillation. The combination of early repolarization pattern on ECG and ventricular fibrillation or sudden cardiac arrest is referred to as early repolarization syndrome . Early…

…likely that the arrhythmia is benign; otherwise further examination is warranted. Figure 1. Sinus arrhythmia (respiratory sinus arrhythmia). Treatment of sinus arrhythmia Sinus arrhythmia is…

…and clinical presentation of VT, with a deep dive into the underlying etiologies ranging from benign idiopathic variants to complex scar related and genetic substrates…

…confused a completely benign condition (male/female pattern) with a condition which is associated with 5 times as great a risk of sudden cardiac death…

…observed. Inappropriate sinus tachycardia Treatment of inappropriate sinus tachycardia begins with assessment and management of reversible causes. Because the prognosis is described as benign, treatment…

…ischaemia. The absence of obstructive disease therefore does not establish a benign diagnosis. ANOCA/INOCA is associated with recurrent symptoms, impaired quality of life, repeated…

…tachycardias should be considered pathological and the task is to clarify the cause of the tachycardia. The cause may range from benign to highly malignant…

…for decades, and it has been regarded as a benign form of ST segment elevation with slurring or notching at the J point. A notch…

…Prognosis of left anterior fascicular block (LAFB) Isolated LAFB is considered a benign conduction defect. Roughly 7% of cases progress to bifascicular block (which means…

…General hypoxia. Autonomic nervous system Neurocardiogenic syncope. Carotid Sinus Hypersensitivity. Electrolyte disturbances Hypokalemia. Hyperkalemia. Hypercalcemia. Benign causes Well trained athletes display bradycardia at rest. Bradycardia…

…variations in heart rate are due to variations in the activity of the autonomic nervous system and changes in the automaticity of the sinoatrial node…

…These cells are capable of spontaneous depolarization (i.e they display automaticity) and can therefore act as latent pacemakers (which become active when atrial impulses…

…are balanced and no ischemia occurs. (Some individuals display a benign form of ischemia located in the subendocardium during exercise; this manifests with ST segment…

…Adam Stokes attack . Causes of sinoatrial arrest/pause High vagal tone is benign and the most common cause of sinus arrest/pause. It commonly affects…

…Treatment of sinus bradycardia Benign causes of sinus bradycardia (e.g. vasovagal reaction, well trained athletes) do not require treatment. When benign causes are unlikely…

…an increased risk of thromboembolism. Pacemaker treatment is discussed in a separate article. Treatment of bradycardia (due to any cause) Benign (physiological) causes of bradycardia …

…once the exercise is stopped. Some experts believe that these ST segment depressions represent a benign form of subendocardial ischemia. Refer to Exercise Stress Testing…

…discussed previously in this article. Briefly, accelerated ventricular rhythm (also called idioventricular rhythm) is a benign ventricular rhythm with a heart rate of 60–10

…seconds). The QRS complex is wide simply because the ectopic impulses that cause these rhythms spread partially or entirely outside of the ventricular conduction system…