60+ träffar

ArticleKardiologi
Hypertensive crisis: drugs and doses

…Condition Overall strategy Common first choices : : : Acute aortic syndrome Immediate rate control and rapid reduction of the systolic blood pressure towards 100 to 120 mmHg…

ArticleCardiology
Alcohol and Cardiovascular Disease

…The resulting mild reduction in blood pressure is often accompanied by a compensatory rise in cardiac output. Although these changes are usually of limited clinical…

ArticleProcedurer
Eye examination and corneal foreign body

…the rest. Support your working hand against the patient's zygoma or the bridge of the nose. 4. Approach tangentially from the periphery , never through…

ArticleEchocardiography
Assessing left ventricular systolic function

…change (% reduction) in left ventricular diameter during systole. It is considered a poor measure of systolic function; it is only reliable if the left ventricle…

ArticleEchocardiography
Technical aspects of the ultrasound image

Echocardiography Generating the ultrasound image The ultrasound transducer generates short bursts (pulses) of ultrasound waves. Reflected ultrasound waves are analyzed by the machine during the…

ArticleECG
The ECG in assessment of myocardial reperfusion

…are robust indicators of successful reperfusion (patent artery). This is also associated with better prognosis, return of R wave amplitudes, and improved left ventricular function…

ArticleCardiology
Diuretic Strategy and Decongestion in Heart Failure

…the full range of left ventricular ejection fraction and may result from systolic dysfunction, diastolic dysfunction, or both. The clinical consequences of extracellular volume expansion…

ArticleCardiology
Cardiac Tamponade: Recognition and Pericardiocentesis

…occurs when intrapericardial pressure equals or exceeds right atrial pressure. The haemodynamic consequences are progressive impairment of right and left sided filling, reduced stroke volume…

ArticleEchocardiography
Stress Echocardiography: Protocols and Interpretation

…coronary artery disease (CAD). It combines echocardiographic assessment of left ventricular (LV) structure and function with exercise or pharmacological stress. The physiological basis is an…

ArticleCardiology
Spontaneous Coronary Artery Dissection

…should therefore prompt consideration of systemic arteriopathy rather than being regarded solely as an isolated coronary event. SCAD predominantly affects the left sided coronary circulation…

ArticleEchocardiography
Aortic stenosis

…leads to a gradual reduction in the orifice area. As the area is reduced, transvalvular flow resistance increases. This results in increased left ventricular load…

ArticleCardiology
Pulmonary Embolism (PE)

…A substantial reduction in pulmonary perfusion and the subsequent reduction in left ventricular preload lead to a cascade of hemodynamic alterations which may culminate in…

ArticleCardiology
Myocardial Perfusion Imaging With SPECT and PET

…induced myocardial ischaemia. Detect and characterize myocardial scar. Estimate the risk of major adverse cardiovascular events. Assess left ventricular volumes, regional wall motion, and ejection…

ArticleCardiology
Cardiovascular Prevention in the Very Elderly

…reflecting accumulated risk factors, age related reduction in cardiovascular reserve, and the increasing burden of comorbid disease. Heart failure with preserved ejection fraction becomes particularly…

ArticleCardiology
Type 2 Diabetes and Cardiovascular Risk Management

…consequences of diabetes may present through any major cardiovascular phenotype: CAD, including chronic coronary syndromes and acute coronary syndromes HF across the spectrum of left…

ArticleCPR
Cardiac arrest due to electrolyte imbalance

…vomiting, muscle cramps, apathy, confusion, impaired reflexes. Severe <115 mmol/L Seizures, coma, respiratory arrest, brainstem herniation and death. Table 2. Grading of hyponatremia. Hypernatremia…

ArticleProcedurer
Reduction of dislocations

…an orthopaedic surgeon before attempting reduction. Posterior shoulder dislocation, which is often associated with fracture and requires an orthopaedic surgeon. Dislocation of a native hip …

ArticleLungmedicin
Acute exacerbation of COPD: quick reference

…92 percent until the risk of hypercapnia has been assessed. 3. Take an arterial blood gas in respiratory compromise, low saturation, suspected carbon dioxide retention…

ArticleEmergency medicine
STEMI: Primary PCI and System-of-Care Time Targets

…sex, Black race, lower socioeconomic or uninsured status, a history of angina or diabetes, and consultation with relatives or physicians before contacting emergency services. These…

ArticleAkutsjukvård
Anaphylaxis: quick reference for emergency management

Akutsjukvård Lathundar Basic principle Anaphylaxis is a rapidly developing systemic hypersensitivity reaction that can cause life threatening compromise of the airway, breathing or circulation. Skin…

ArticleReferensvärden
Blood pressure

…by home measurement or 24 hour recording — the thresholds for which are lower than for office measurement. Classification of office blood pressure Category Systolic Diastolic : : : …

ArticleProcedurer
Foreign body in the ear and nose

…The urgency varies: Object Urgency : : Button battery Immediately — leakage of fluid causes a chemical burn Two or more magnets (including in different nostrils) Immediately — pressure…

ArticleKunskapsbas
🟠 Phentolamine

…crisis. Mechanism of action Phentolamine is a non selective alpha adrenergic blocker. Phentolamine reduces blood pressure while increasing catecholamine activity. Effects Primarily causes afterload reduction…

ArticleKunskapsbas
🟠 Hydralazine

…can be counteracted with simultaneous administration of beta blockers). Effects Induces arteriolar vasodilation without effects on venous circulation. The reduction in systemic vascular resistance (SVR…

ArticleCardiology
Lipid-Lowering Therapy: Statins as First-Line Treatment

…dose dependent reduction in triglycerides. The benefit of statins extends beyond angiographic reduction of coronary obstruction. Intensive lipid lowering improves endothelial function, lowers circulating high…