29 träffar

ArticleECG
Quiz: ECG in athletes

…in V6 with QRS duration <120 ms) D: Profound sinus bradycardia (<30 beats/min or sinus pauses ≥3 s) Explanation: Incomplete Right Bundle Branch Block…

ArticleEchocardiography
Pericardial Effusion & Cardiac tamponade

…cysts and tumors of the pericardium, as well as congenital malformations leading to an incomplete or absent pericardium. In case of suspicion of pericardial disease…

ArticleProcedurer
Opioid therapy in severe pain

…to taper off, not to increase the dose. Contraindications Ongoing respiratory depression, or untreated severe respiratory failure without the possibility of monitoring. Paralytic ileus and…

ArticleCardiology
Refractory Angina: Options When Standard Therapy Fails

…pathophysiology of refractory angina is heterogeneous. In obstructive CAD, symptoms may result from extensive or diffuse epicardial disease, chronic total occlusion, incomplete revascularization, or coronary…

ArticleMyocardial ischemia and infarction
Stent Thrombosis: Timing, Causes, Diagnosis, and Prevention

…multivessel disease, bifurcation lesions, treatment of acute myocardial infarction Procedural and mechanical Stent underexpansion, incomplete wall apposition, residual inflow or outflow disease, edge dissection, overlapping…

ArticleMyocardial ischemia and infarction
In-Stent Restenosis: Mechanisms and Treatment

…Stent fracture or collapse Residual edge dissection Incomplete lesion preparation Persistent stenosis within the treated segment Mechanical factors are particularly important because correction of the…

ArticleCardiology
Brugada Syndrome: Diagnosis & SCD Prevention

…channelopathy with incomplete penetrance and variable expressivity. The first and most critical genetic locus identified was SCN5A , the gene encoding the alpha subunit of the…

ArticleCardiology
Coronary Artery Disease

…pectoris : Symptoms appear primarily during exercise or other situations with increased myocardial load. Symptoms are exacerbated by increasing the level of exertion ( i.e increasing…

ArticleCardiology
Spontaneous Coronary Artery Dissection

…or, rarely, sudden cardiac death. SCAD differs pathogenetically from atherosclerotic type 1 MI. It is an infrequent cause of ACS overall but represents a substantial…

ArticleArrhythmias and arrhythmology
Vasovagal Syncope: Diagnosis, Tilt Testing and Treatment

…Severe coronary artery or structural heart disease High risk features on examination include: Unexplained systolic blood pressure < 90 mmHg Suggestion of gastrointestinal hemorrhage Persistent…

ArticleProcedurer
Abscess incision and drainage

…must not be handled routinely in primary care or in the emergency department without contacting the appropriate specialty: Location Risk Management : : : Medial triangle of the…

ArticleCardiology
Cardiovascular Risk in Women: Sex-Specific Factors

…confer risk independently of conventional factors, and whether they improve risk classification, remains incompletely established. Data concerning premature menopause and subsequent hypertension or diabetes are…