29 träffar

ArticleECG
Components and construction of a pacemaker

…main principle behind artificial pacemakers; i.e applying an external electrical current that depolarizes cells in contact with the lead tip, and thus generate an…

ArticleProcedurer
Casting and immobilisation

…closed circumferential cast , and the patient must leave with clear information about the symptoms that should make them seek help immediately. Indications An undisplaced or…

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

…Factors associated with restenosis The risk of restenosis after metallic stent implantation is increased by: Small reference vessel size A small post procedural luminal diameter…

ArticleMyocardial ischemia and infarction
Intravascular Imaging: IVUS and OCT for PCI Optimisation

…principal advantage is tissue penetration, generally allowing assessment several millimetres beyond the lumen and visualization of the external elastic membrane (EEM). IVUS is consequently useful…

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

Arrhythmias and arrhythmology Cardiology Definition and Pathophysiology Vasovagal syncope represents the most common form of neurally mediated syncope (NMS), a disorder of autonomic reflexes. It…

ArticleCPR
Arrhythmias before and during cardiac arrest

…medical service) team upon their arrival at the scene. If an AED (automatic external defibrillator) has been connected, it should be interrogated (if possible) to…

ArticleECG
Assessment of Pacemaker Malfunction

…cases of malfunction are associated with the electronics in the pulse generator or dislodgement or fracture of the leads. External causes are less common and…

ArticleCPR
Basic Life Support (BLS) in cardiac arrest

…shown in Table 1, BLS is an exceptionally effective treatment, with a very low number needed to treat (NNT), indicating high effectiveness. Although BLS is…

ArticleProcedurer
Reduction of dislocations

…elbow, finger, patella, jaw or hip prosthesis. A dislocation with neurovascular compromise or skin tenting — reduce promptly, before radiography. The longer a joint remains dislocated…

ArticleCPR
Cardiac arrest due to hypoxia and asphyxia

…al. and Safar et al. The majority of all asphytic cardiac arrests begin with PEA and progress to asystole. Shockable rhythms (ventricular fibrillation [VF], ventricular…

ArticleCPR
Cardiac arrest due to pneumothorax

…pneumothorax, the accumulated pressure can shift the entire mediastinum, manifesting externally as a laryngeal displacement. Etiologies of tension pneumothorax include: Traumatic injuries (blunt force, lacerations…

ArticleCPR
Cardiac arrest during sepsis

…and can guide resuscitative efforts. If the patient presents with hypotension or has a lactate level exceeding 4 mmol/l, commence an intravenous fluid resuscitation…

ArticleCPR
Cardiac tamponade causing cardiac arrest

…the mediastinum can cause tamponade. Post operative Complications : Post surgical complications following thoracic procedures can cause tamponade. Tamponade with swinging heart of the pericardium. Source…

ArticleCPR
Causes of sudden cardiac arrest

…arrests are caused by acute or chronic coronary artery disease, with the latter being the most common. The figure 80% occurs in most textbooks in…

ArticleProcedurer
Otoscopy and ear syringing

…reach Ongoing otitis externa Pain, spread of infection A small or uncooperative child Movement causes injury Preparation and equipment Otoscopy: an otoscope with a charged…

ArticleProcedurer
Nasogastric tube

…the tube is safe. A misplaced tube in the airway produces no reliable symptoms in a patient with an impaired cough reflex, and the first…

ArticleCPR
Traumatic cardiac arrest

…critical than performing chest compressions. Hemorrhages, either manifesting externally or concealed internally, account for approximately half of all traumatic cardiac arrests. In the absence of…

ArticleEndokrinologi & metabolism
Inpatient insulin therapy: quick reference

…the first instance. Measure the glucose before every meal and at bedtime Enteral or parenteral nutrition Insulin is needed around the clock. A continuous infusion…

ArticleReferensvärden
Intensive care parameters

…for delirium every shift BIS (during neuromuscular blockade) 40–60 Targeted light sedation with a daily wake up trial shortens the time on the ventilator…