60+ träffar

ArticleCardiology
Spontaneous Coronary Artery Dissection

…oestrogen exposure. Emotional or chronic mental stress. Fibromuscular dysplasia (FMD), which may produce arterial wall abnormalities and intramural haematomas. Inherited connective tissue disorders, including Marfan…

ArticleProcedurer
Arterial line

Procedurer An arterial line is easy to insert and easy to trust too much. Two errors make the reading useless without anyone noticing: the transducer…

ArticleKunskapsbas
🟠 Mean arterial pressure (MAP) calculator

…the cardiac cycle. MAP offers a more accurate representation of the average arterial pressure and is a better indicator of organ perfusion. In clinical settings…

ArticleEchocardiography
The Coronary Arteries

…of the aortic bulb. The LMCA is short and branches into the two arteries supplying the anterior and left side of the heart, as follows:…

ArticleInfo
🟠 Inotropes and Vasopressors

Info Inotropes and vasopressors Vasopressors induce vasoconstriction and increase mean arterial pressure (MAP). Inotropes increase cardiac contractile force (contractility). Several endogenous and synthetic agents exist…

ArticleProcedurer
Ankle-brachial index (ABI)

Procedurer The ankle brachial index is the cheapest and most accessible method of objectively demonstrating peripheral arterial disease, and it is needed more often than…

ArticleMyocardial ischemia and infarction
Invasive Coronary Angiography: Indications and Vascular Access

…occur despite the absence of significant epicardial obstruction. In patients with anginal symptoms and unobstructed or non obstructive coronary arteries, possible mechanisms include microvascular obstruction…

ArticleReferensvärden
Circulatory and haemodynamic parameters

…resistance and oxygen transport Formulas Mean arterial pressure (MAP) = diastolic + (systolic − diastolic)/3 Cardiac output = stroke volume × heart rate SVR = 80 × (MAP…

ArticleCardiology
Coronary CT Angiography and CAD-RADS Reporting

…Myocardial ischemia and infarction Definition and Clinical Role Coronary computed tomographic angiography (CCTA) is a non invasive anatomical examination that depicts the coronary arterial lumen…

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

…recurrent narrowing within a previously implanted coronary stent. It represents a form of arterial hyperplastic disease arising after percutaneous coronary intervention (PCI). In contemporary practice…

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

…stent implantation should always be specified. Coronary arterial thrombi are predominantly platelet rich because they form under high shear conditions. Disruption of an atherosclerotic plaque…

ArticleCPR
Cardiac arrest due to electrolyte imbalance

…etiologies when promptly and appropriately addressed. Both venous and arterial blood gases can be utilized for the analysis of electrolyte levels. Electrocardiography (ECG) serves as…

ArticleCPR
The physiology of cardiopulmonary resuscitation (CPR)

…intrathoracic pressure by compressing, decompressing and ventilating. These maneuvers result in arterial blood flowing through the pulmonary, coronary and cerebral circulation, as well as allowing…

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…

ArticleReferensvärden
Lung function and respiration

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

ArticleProcedurer
Oxygen therapy

…Indications Hypoxaemia: a saturation below the target range, or a PaO2 below 8 kPa on an arterial blood gas. Acute critical illness during initial stabilisation —…

ArticleGastroenterologi & hepatologi
Upper gastrointestinal bleeding: quick reference

…peripheral cannulae. Consider an arterial line if the patient is unstable or frequent blood gases are needed 3 Blood grouping and cross matching. Order red…

ArticleProcedurer
Warfarin therapy

…INR target ranges Indication Target range Comment : : : Atrial fibrillation 2.0–3.0 The time in therapeutic range (TTR) should exceed 70 % Venous thromboembolism 2…

ArticleKunskapsbas
🟠 Clevidipine

…effect on myocardial contractility or conduction. Clevidipine reduces mean arterial blood pressure (MAP) by decreasing systemic vascular resistance (SVR). Clevidipine does not reduce cardiac filling…

ArticleCardiology
Cardiovascular Risk in Inflammatory and Autoimmune Disease

…pathways, including: Coronary arteritis Accelerated atherosclerosis Coronary microvascular dysfunction Pericarditis Myocarditis Valvular disease APS and Behçet disease can cause both arterial and venous thrombosis. In…

ArticleCardiology
Chronic Kidney Disease as a Cardiovascular Risk Factor

…renal impairment. The cardiovascular burden of CKD extends beyond CAD to peripheral arterial disease, cerebrovascular disease, valvular heart disease, heart failure, atrial fibrillation, and other…

ArticleCardiology
Hypertriglyceridaemia: Management and Cardiovascular Risk

…insulin resistance are associated with atherosclerotic cardiovascular disease (ASCVD), particularly in peripheral arterial disease. The relationship between triglyceride concentrations and aortic disease is less clearly…

ArticleCPR
Cardiac arrest during pregnancy and childbirth

…aorta. During a cardiac arrest, the venous and arterial pressures are substantially reduced, potentially leading to complete obstruction of venous return by the uterus. This…

ArticleCPR
Cardiac arrest during sepsis

…a dose of 30 ml/kg. Should fluid resuscitation fail to maintain a mean arterial pressure (MAP) above 65 mmHg, consider the initiation of vasopressor…

ArticleCardiology
Hypertensive emergency (crisis)

…effect on myocardial contractility or conduction. Clevidipine reduces mean arterial blood pressure (MAP) by decreasing systemic vascular resistance (SVR). Clevidipine does not reduce cardiac filling…

ArticleProcedurer
Central venous catheter

…thrombosis with prolonged dwell time Highest risk of pneumothorax, the vessel cannot be compressed after arterial puncture, technically more difficult with ultrasound Femoral vein Fastest…

ArticleProcedurer
Cryotherapy of skin lesions

…with poor circulation, above all the lower leg in a patient with peripheral arterial disease or diabetes — the wound may not heal. Over superficial nerves…

ArticleKardiologi
Hypertensive crisis: drugs and doses

…blood pressure measurement and continuous monitoring. An arterial line is often appropriate when very rapid or precise control is required, for example in acute aortic…

ArticleProcedurer
Transcutaneous and transvenous pacing

…the cable, not through the pads. A pulse oximeter, a blood pressure cuff, and an arterial line for prolonged pacing. Venous access, oxygen, suction, airway…