60+ träffar

ArticleReferensvärden
Intensive care parameters

…heparin unless contraindicated Head of the bed 30–45° Stress ulcer prophylaxis During mechanical ventilation, in coagulopathy, or with a history of gastrointestinal bleeding Refeeding…

ArticleProcedurer
Ankle-brachial index (ABI)

…after vascular surgery or endovascular intervention. Assessment of healing potential in ulcers and before deciding the level of amputation. Contraindications There are no absolute contraindications…

ArticleGastroenterologi & hepatologi
Upper gastrointestinal bleeding: quick reference

…the first instance. Give small boluses, for example 250 to 500 mL, with immediate reassessment of the blood pressure, pulse, peripheral perfusion, mental state and…

ArticleReferensvärden
Blood pressure

…Classification of office blood pressure Category Systolic Diastolic : : : : : Optimal < 120 and < 80 Normal 120–129 and/or 80–84 High normal 130–139…

ArticleCardiology
Blood Pressure Targets in Older and Frail Adults

…Consequently, isolated systolic hypertension and widening pulse pressure are common in later life. These changes contribute to the complexity of defining an appropriate treatment target…

ArticleKunskapsbas
🟠 Mean arterial pressure (MAP) calculator

…SVR) + Central Venous Pressure (CVP) This equation illustrates that MAP is determined by the volume of blood the heart pumps and the resistance encountered in…

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…

ArticleCPR
Cardiac arrest due to hypoxia and asphyxia

…refers to a reduced partial pressure of oxygen in the blood. Asphyxia is characterized by insufficient ventilation, leading to hypoxia. Etiologies of hypoxic cardiac arrest …

ArticleReferensvärden
Circulatory and haemodynamic parameters

…of perfusion Parameter Normal Comment : : : Heart rate 50–100/min MAP 70–105 mmHg Target ≥ 65 mmHg in shock; higher in known hypertension Pulse pressure…

ArticleCardiology
Levosimendan (Simdax, Simendan) in acute heart failure

…points Levosimendan alleviates heart failure symptoms, increases cardiac output, and lowers pulmonary artery pressure without increasing myocardial oxygen consumption. The inotropic effect of levosimendan is…

ArticleProcedurer
Exercise stress test on cycle ergometer

…The value of the exercise test lies not in ST depression alone but in the overall picture : exercise capacity, symptoms, blood pressure response, heart rate…

ArticleKunskapsbas
🟠 Nitroglycerin

…heart failure. Angina pectoris. Hypertension, hypertensive crisis/emergency. Pulmonary hypertension. Blood pressure control. Mechanism of action Nitroglycerin provides nitric oxide (NO) that induces vasodilatation (of…

ArticleCardiology
Cardiac Tamponade: Recognition and Pericardiocentesis

…a life threatening clinical syndrome in which increased intrapericardial pressure compresses the heart and impairs ventricular filling. It generally results from accumulation of pericardial fluid…

ArticleCardiology
Resistant Hypertension: Evaluation and Treatment

…blood pressure despite multidrug treatment rather than through specific symptoms. The clinical importance lies in its association with: Increased cardiovascular disease risk; Greater risk of…

ArticleProcedurer
CPAP and non-invasive ventilation (NIV)

…commonest source of error is confusing them. CPAP delivers a constant pressure that recruits alveoli and unloads the heart, whereas bilevel NIV delivers pressure support…

ArticleProcedurer
Eye examination and corneal foreign body

…globe — because a perforated eye must never be instrumented, have its pressure measured, or be palpated. Indications A sensation of something in the eye, watering…

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…

ArticleKunskapsbas
🟠 Clonidine

…pressure lowering effect. Pain relief. Delivery IV, IM, PO, transdermal Dose Injection IV: • 150 μg in 1 ml vial. Dilute with 10 ml of…

ArticleKunskapsbas
🟠 Enalaprilat

…metabolite (ester) of enalapril, an angiotensin converting enzyme (ACE) inhibitor. Enalaprilat lowers blood pressure by inhibiting ACE. Effects • The hypotensive effect of enalaprilat depends on…

ArticleKunskapsbas
🟠 Esmolol

…Bolus doses of 300 μg/kg can be repeated during infusion. Adverse effects Flushing. Nausea. Bronchospasm. AV block. Caution • Avoid in acute heart failure…

ArticleKunskapsbas
🟠 Fenoldopam

…Indications Short term management of hypertension, including hypertensive emergency. Mechanism of action • Systemic Dopamine 1 (D1) receptor agonist. • Lowers blood pressure while maintaining or increasing…

ArticleKunskapsbas
🟠 Metoprolol

…blood pressure, reduces heart rate, myocardial oxygen consumption and myocardial contractility. Less pronounced blood pressure lowering effect than esmolol and labetalol. Time to onset of…

ArticleKunskapsbas
🟠 Nitroprusside

…heart failure. Angina pectoris. Hypertension, hypertensive crisis/emergency. Pulmonary hypertension. Blood pressure control. Mechanism of action Nitroprusside provides nitric oxide (NO) that induces vasodilatation of…

ArticleKunskapsbas
🟠 Phentolamine

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

ArticleEmergency medicine
Differential Diagnosis of Chest Pain: A Clinical Overview

…1. Acute Coronary Syndrome (ACS) / Myocardial Ischemia Pain Characteristics: Typically presents as substernal discomfort, often described as pressure, tightness, or heaviness [7]. Classically, it is…

ArticleCPR
Cardiac arrest due to pneumothorax

…to the heart. In instances of tension pneumothorax, the accumulated pressure can shift the entire mediastinum, manifesting externally as a laryngeal displacement. Etiologies of tension…

ArticleEchocardiography
Hemodynamic principles and calculations

…study velocities, volumes, and pressure conditions in the heart. These techniques allow for the calculation of all clinically relevant hemodynamic parameters, with few exceptions. Prior…

ArticleCardiology
Hypertensive emergency (crisis)

…venodilation than arteriolar dilation. Effects Nicardipine causes dilation of the coronary and systemic arteries, decreases total peripheral resistance, decreases systemic blood pressure, and decreases afterload…

ArticleProcedurer
Abscess incision and drainage

…acidic environment inactivates the anaesthetic. Place a field block in healthy skin around the abscess instead of injecting into it, and expect the procedure to…

ArticleProcedurer
Arterial line

…thing to know by heart is that an arterial line must never be confused with a venous access. Indications Continuous blood pressure monitoring in haemodynamic…

ArticleProcedurer
Casting and immobilisation

…saw, protective sheeting Hot water gives faster setting and more heat production — a risk of burns Document the distal neurovascular status before casting : sensation, motor…

ArticleProcedurer
Central venous catheter

…dialysis catheter, not an ordinary triple lumen catheter). Measurement of central venous pressure and central venous oxygen saturation. Repeated blood sampling during intensive care. Exhausted…

ArticleAkutsjukvård
Delirium in older adults: quick reference

…care [1,2]. The condition is associated with falls, aspiration, pressure sores, loss of function, longer length of stay, institutional care, readmission, cognitive decline and…