60+ träffar

ArticleProcedurer
Reduction of dislocations

…status, the ASA class and the airway beforehand. Procedure Anterior shoulder dislocation The commonest of all dislocations. There is a hollow beneath the acromion, the…

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

Myocardial ischemia and infarction Definition and Clinical Significance In stent restenosis (ISR) is recurrent narrowing within a previously implanted coronary stent. It represents a form…

ArticleProcedurer
Oesophageal ECG

Procedurer The oesophagus runs directly behind the left atrium. An electrode placed in the oesophagus at the right level therefore records atrial depolarisation with an…

ArticleProcedurer
Otoscopy and ear syringing

Procedurer Cerumen should be removed when it causes symptoms or obscures the tympanic membrane — not routinely . The wax has a protective function, and the commonest…

ArticleProcedurer
Paracentesis

…commonest error in paracentesis is not performing it. Every patient admitted with ascites should undergo a diagnostic paracentesis , because spontaneous bacterial peritonitis often lacks abdominal…

ArticleProcedurer
Pleural aspiration and chest drain

…haemothorax, a symptomatic or large pneumothorax, recurrent malignant effusion (often combined with pleurodesis), and in chest trauma and postoperatively. Emergency needle decompression: a clinical suspicion…

ArticleKunskapsbas
🟠 1-2-3-LQTS Risk Calculator

…risk—such as those with a history of cardiac arrest, recurrent syncope despite beta blocker therapy, or markedly prolonged QT intervals—the implantation of an…

ArticleKunskapsbas
🟠 1-2-3-LQTS Risk Calculator

…risk—such as those with a history of cardiac arrest, recurrent syncope despite beta blocker therapy, or markedly prolonged QT intervals—the implantation of an…

ArticleCardiology
Cardiac Rehabilitation After Myocardial Infarction

…of STEMI remain at substantial risk of recurrent cardiovascular events. Long term prognosis is influenced particularly by: Resting left ventricular function The amount of residual…

ArticleCardiology
Lipoprotein(a): Measurement and Clinical Implications

…of cholesterol than LDL cholesterol. Clinical implications High Lp(a) is independently associated with first and recurrent atherosclerotic cardiovascular disease events. The strongest observed associations…

ArticleEchocardiography
Tachycardia induced cardiomyopathy

…the main cause of left ventricular dysfunction among patients with atrial fibrillation and other supraventricular tachyarrhythmias. Moreover, ventricular tachyarrhythmias (including recurrent episodes of ventricular tachycardia…

ArticleArrhythmias and arrhythmology
Atropine: Dosing in Bradycardia and Its Limitations

…drug overdose, hypothermia, and hyperkalemia. For recurrent symptomatic bradycardia, temporary or permanent pacing may be required. However, transcutaneous pacing in the setting of cardiac arrest…

ArticleCardiology
Diuretic Strategy and Decongestion in Heart Failure

…are elevated. Consequently, congestion may occur across the full range of left ventricular ejection fraction and may result from systolic dysfunction, diastolic dysfunction, or both…

ArticleEchocardiography
Left Ventricular Thrombus After Myocardial Infarction

…be diagnosed reliably by examination alone. Assessment should include evaluation for: Hemodynamic instability or cardiogenic shock. Clinical heart failure. Recurrent ischemia or reinfarction. Ventricular tachyarrhythmia…

ArticleMyocardial ischemia and infarction
Unstable Angina: Definition and Contemporary Management

…assessment should establish whether the presentation represents ACS and whether the patient is clinically unstable. Particular attention is required for evidence of: Ongoing or recurrent…

ArticleKunskapsbas
🟠 Aspirin (Acetylsalicylic acid)

…Unstable coronary artery disease. Stable angina pectoris. Secondary prophylaxis to prevent recurrence of cerebrovascular diseases, such as: Transient ischemic attacks (TIA). Stroke Contraindications Cross reactivity…

ArticleCPR
Sudden cardiac arrest: Case 3

…fibrillation (VF). ECG 6 . Delivery of shock, followed by asystole. ECG 7 . Asystole after shock. ECG 8 . Recurrence of supraventricular rhythm. ECG 9 . Supraventricular rhythm.

ArticleCPR
Sudden cardiac arrest: Case 7

…tachycardia. ECG 3 . Spontaneous termination of the ventricular tachycardia. ECG 4 . Recurrence and spontaneous termination of ventricular tachycardia. ECG 5 . Polymorphic ventricular tachycardia, self terminating…

ArticleProcedurer
Leg ulcers — wound debridement and compression therapy

…lipodermatosclerosis, stasis dermatitis. Prevention of recurrence after a healed venous ulcer. After deep vein thrombosis with post thrombotic syndrome. Differential diagnosis Feature Venous ulcer Arterial…

ArticleCPR
Sudden cardiac arrest: Case 2

…10 . Recurrence of supraventricular complexes (red arrows). ECG 11 . Relapse of VF and new shock. ECG 12 . Sinus rhythm. ECG 13 . Recurring VT. ECG 14…

ArticleProcedurer
Electrical cardioversion

…Known left atrial thrombus. A markedly enlarged left atrium, marked hyperthyroidism or an untreated underlying cause make recurrence all but certain and argue against elective…

ArticleProcedurer
Nasogastric tube

…stricture or a known diverticulum Relative Recent nasal or pharyngeal surgery Signs that should raise the suspicion of a base of skull fracture: periorbital bruising…

ArticleProcedurer
Pericardiocentesis

…bottles. Intravenous fluid and a vasopressor prepared. The patient is positioned semi recumbent, at 30–45 degrees — the fluid then collects anteriorly and inferiorly, which…

ArticleArrhythmias and arrhythmology
Atrial Fibrillation in the Critically Ill Patient

…recurrence is frequent while the precipitating haemodynamic and sympathetic abnormalities persist. Immediate cardioversion is reserved primarily for instability. Evaluation and physical examination Initial assessment should…