25 träffar

ArticleArrhythmias and arrhythmology
Sinus bradycardia: definitions, ECG, causes and management

…the sinoatrial node. They may also induce conduction defects (e.g. AV block). Increased intracranial pressure (manifests with sinus bradycardia and hypertension). Hypothyroidism . Hypothermia . Hyperkalemia …

ArticleArrhythmias and arrhythmology
Sinus node dysfunction (SND) and sick sinus syndrome (SSS)

…Hyperthermia Increased intracranial pressure Irreversible causes of sinus node dysfunction Age related degenerative disease (fibrosis) Myocardial ischemia/infarction Lesions due to heart surgery Myocarditis Collagen…

ArticleECG
Indications for pacemaker

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

ArticleProcedurer
Dix–Hallpike test and Epley manoeuvre

Procedurer Benign paroxysmal positional vertigo is the commonest cause of vertigo in primary care and one of the few diagnoses that can be cured on…

ArticleCPR
Cardiac arrest due to pneumothorax

…of free air in the thoracic cavity. While this can occasionally be benign and manifest even in healthy individuals, a tension pneumothorax arises when the…

ArticleProcedurer
Cryotherapy of skin lesions

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

ArticleEchocardiography
Cardiac tumors

…secondary, and the primary cardiac tumors, generally, are benign. Primary and secondary cardiac tumors • Primary cardiac tumors , which constitute a minority of cardiac tumors, occur…

ArticleArrhythmias and arrhythmology
Sinus arrhythmia (respiratory sinus arrhythmia)

…treatment. If the rhythm becomes completely regular when holding the breath, it is likely that the arrhythmia is benign; otherwise further examination is warranted. Figure…

ArticleCardiology
Ventricular Tachycardia

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

ArticleCardiology
Microvascular Angina and INOCA: Diagnosis with CFR and IMR

…potentially reflecting capillary rarefaction, fibrosis, or left ventricular hypertrophy. Hypertension, diabetes, and elevated NT proBNP are more frequent in this pattern. Endothelial dysfunction may contribute…