60+ träffar

ArticleECG
Assessment of Pacemaker Malfunction

…antiarrhythmic drugs, or electromagnetic disturbance caused by other machines/devices. Below follows ECG tracings demonstrating each type of failure. Figure 1. Failure to pace. Figure…

ArticleProcedurer
Nasogastric tube

…to return of bowel function without reducing the risk of complications. Contraindications Type Condition : : Absolute Suspected base of skull fracture or a marked midfacial fracture …

ArticleProcedurer
Urinary catheterisation

…Contraindications Type Condition : : Absolute Suspected urethral injury — blood at the meatus, a perineal or scrotal haematoma, a high riding or impalpable prostate, a pelvic fracture…

ArticleCardiology
PCSK9 Inhibitors: Indications, Efficacy and Access

…Definition and Pathophysiology Proprotein convertase subtilisin/kexin type 9 (PCSK9) is a hepatic protein that regulates the availability of the low density lipoprotein receptor (LDL…

ArticleCardiology
Bempedoic Acid: Evidence and Clinical Use

…very long chain acyl CoA synthetase 1. This activating enzyme is not expressed in skeletal muscle, a pharmacological feature that may limit muscle related toxicity…

ArticleConduction defects
First-degree AV block (AV block I, AV block 1)

…bilaterally in the bundle branches. This type of first degree AV block often progresses to third degree (complete) AV block, and therefore necessitates an artificial…

ArticleECG
Quiz: ECG in athletes

…interpretation 1. Which of the following ECG findings is typically considered a normal variant in asymptomatic athletes with no significant family history? A: Mobitz Type…

ArticleEchocardiography
Cardiac thromboembolism: cardiac sources of embolism

Echocardiography Cardiac thromboembolism Thromboembolism is a leading cause of death worldwide (1). Emboli originating in the atria, left atrial appendage (LAA), ventricles, valves, and proximal…

ArticleEchocardiography
Tachycardia induced cardiomyopathy

…type of cardiomyopathy, referred to as tachycardia induced cardiomyopathy , can be caused by any tachyarrhythmia leading to prolonged periods of rapid ventricular rate (Table 1…

ArticleReferensvärden
ECG parameters

…pattern type 1: ST elevation ≥ 2 mm of coved type with a negative T wave in V1–V2. Early repolarisation: J point elevation ≥ 1 mm…

ArticleReferensvärden
Lung function and respiration

…COPD Arterial blood gas Type 1 respiratory failure: PaO₂ < 8 kPa with a normal or low PaCO₂ — a problem of oxygenation. Type 2: PaO₂…

ArticleConduction defects
Overview of atrioventricular (AV) blocks

…are classified into three types: first degree, second degree, and third degree AV blocks. Readers already familiar with the basics of AV blocks can proceed…

ArticleKunskapsbas
🟠 Clevidipine

…Mechanism of action Ultra short acting calcium channel blocker (CCB). Half life: 5 minutes. Rapidly inactivated by esterases. Effects • Clevidipine is a dihydropyridine L type…

ArticleEchocardiography
The Coronary Arteries

…the LAD is very long and supplies a significant portion of the inferior wall; this type of LAD is called wrap around LAD (because it…

ArticleEndokrinologi & metabolism
Inpatient insulin therapy: quick reference

…endoscopy DPP 4 inhibitor A low risk of hypoglycaemia; it can usually be continued Red flags and pitfalls Stopping basal insulin in type 1 diabetes…

ArticleCardiology
Primary Aldosteronism: Screening and Management

…unilateral adrenal hyperplasia Rare aldosterone producing adrenal carcinoma Less commonly, ectopic aldosterone production Familial forms include familial hyperaldosteronism type 1, formerly termed glucocorticoid remediable aldosteronism…

ArticleCardiology
Spontaneous Coronary Artery Dissection

…is conventionally divided into three angiographic patterns: Type Angiographic appearance Diagnostic considerations Type 1 Contrast staining of the arterial wall with multiple lumens or radiolucent…

ArticleReferensvärden
Circulatory and haemodynamic parameters

…Capillary refill < 3 s A simple and validated marker of perfusion Lactate < 1.6 mmol/L Clearance over time is more informative than…

ArticleKunskapsbas
🟠 HAS-BLED Score Calculator

…INR (International Normalized Ratio) E lderly (age 65 years) D rugs/alcohol concomitantly Each component is assigned 1 point, with a maximum score of 9…

ArticleCardiology
Antiarrhythmic drugs in ventricular tachyarrhythmias

…Ibutilide, Sotalol Class IV Non dihydropyridine L type Ca 2+ channel blockers Diltiazem, Verapamil Singh–Vaughan Williams classification of antiarrhythmic drugs. Bold text indicates agents…

ArticleEchocardiography
Color Doppler

…Figure 2. Color Doppler reveals the direction and extent of aortic valve regurgitation. Because color Doppler is a type of pulsed wave Doppler, it is…

ArticleCardiology
Hypertensive emergency (crisis)

…Mechanism of action Ultra short acting calcium channel blocker (CCB). Half life: 5 minutes. Rapidly inactivated by esterases. Effects • Clevidipine is a dihydropyridine L type…

ArticleECG
Interpretation of Pacemaker ECG

…on e.g the type of pacemaker, intrinsic cardiac activity, etc. The cardinal manifestation of pacing on surface ECG is the stimulation artifact (Figure 1)…

ArticleEchocardiography
Left ventricular mass and volume (size)

…A diagnosis of left ventricular hypertrophy is based on total left ventricular mass, which can be calculated by obtaining the measurements shown in Figure 1…

ArticleECG
Indications for pacemaker

…block II, type 1 (Wencheback block) PR interval is gradually prolonged until one atrial impulse (P wave) is blocked in the AV node. Generally not…

ArticleCardiology
Management of bradycardia (bradyarrhythmia)

…Sinoatrial block Junctional rhythm First degree AV block Second degree AV block Mobitz type 1 (Wenckebach block) Pauses up to 4 seconds in patients with…

ArticleProcedurer
Pleural aspiration and chest drain

…and the hand behind the head. All drains are inserted within the safe triangle (Figure 1). Outside it the risk of injuring the diaphragm, liver…

ArticleProcedurer
Transcutaneous and transvenous pacing

…bradycardia Atropine is given in doses of 0.5–1 mg intravenously, repeated every three to five minutes to a total maximum of 3 mg …

ArticleKunskapsbas
🟠 Reference values for adult ECG

…Second degree AV block Mobitz type I (Wenckebach block) : repeated cycles of gradually increasing PR interval until an atrial impulse (P wave) is blocked in…

ArticleCardiology
Cardiac amyloidosis

…requirement for antihypertensives, should prompt clinical suspicion [1]. Cardiac Signs and Symptoms Patients often present with symptoms of predominant right heart failure, including lower extremity…