60+ träffar

ArticleReferensvärden
Intensive care parameters

…targets apply when the intracranial pressure is raised: normocapnia (PaCO₂ 4.5–5.0 kPa) and avoidance of hypoxia, since hypercapnia raises the intracranial pressure…

ArticleProcedurer
Ankle-brachial index (ABI)

…Preparation and equipment Equipment: a handheld Doppler probe 5–10 MHz, ultrasound gel, a blood pressure cuff of the correct size (the width should correspond…

ArticleGastroenterologi & hepatologi
Upper gastrointestinal bleeding: quick reference

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

ArticleReferensvärden
Blood pressure

…and preferably confirmation by home measurement or 24 hour recording — the thresholds for which are lower than for office measurement. Classification of office blood pressure…

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…

ArticleProcedurer
Ambulatory blood pressure monitoring and Holter ECG

…The set up and the instructions decide whether the investigation will be usable. Ambulatory blood pressure monitoring (ABPM) Indications Confirmation of newly detected hypertension — recommended…

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

…peripheral use +++++ +++ ++ 0 Potent vasoconstrictor with mild inotropic effect. Increases systolic pressure, diastolic pressure and pulse pressure with minimal effect on CO. Minimal chronotropic effect…

ArticleCPR
Cardiac arrest due to hypoxia and asphyxia

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

ArticleReferensvärden
Circulatory and haemodynamic parameters

…Pulse pressure 40–60 mmHg A narrow pulse pressure suggests a low stroke volume Capillary refill < 3 s A simple and validated marker of…

ArticleCardiology
Levosimendan (Simdax, Simendan) in acute heart failure

… and (3) modulation of sarcolemmal and mitochondrial potassium ATP channels. Levosimendan alleviates heart failure symptoms, increases cardiac output, and lowers pulmonary artery pressure without increasing…

ArticleProcedurer
Exercise stress test on cycle ergometer

…electrode sites — movement artefact ruins an exercise test more often than anything else. Record a resting ECG both supine and sitting, and resting blood pressure…

ArticleKunskapsbas
🟠 Nitroglycerin

…hypertension. Blood pressure control. Mechanism of action Nitroglycerin provides nitric oxide (NO) that induces vasodilatation (of both arterioles and veins) via generation of cyclic GMP…

ArticleCardiology
Cardiac Tamponade: Recognition and Pericardiocentesis

…much larger size before producing haemodynamic compromise. As intrapericardial pressure rises, the right atrium and right ventricle are compressed, with elevation of their diastolic pressures…

ArticleCardiology
Resistant Hypertension: Evaluation and Treatment

…kidney function; Excess dietary sodium and volume overload; Concomitant drugs or conditions that increase blood pressure; or An undiagnosed secondary cause of hypertension. White coat…

ArticleProcedurer
CPAP and non-invasive ventilation (NIV)

…Choice of method and settings Condition Method Starting pressure Escalation Oxygen target : : : : : Cardiogenic pulmonary oedema CPAP 5–7.5 cmH₂O Increase in steps of 2…

ArticleProcedurer
Eye examination and corneal foreign body

…instrumented, have its pressure measured, or be palpated. Indications A sensation of something in the eye, watering, photophobia and redness after working with a grinder…

ArticleKardiologi
Hypertensive crisis: drugs and doses

…an intensive care unit, a coronary care unit or another setting that allows frequent blood pressure measurement and continuous monitoring. An arterial line is often…

ArticleKunskapsbas
🟠 Clonidine

…of alpha 2 adrenoceptors in the ventromedial and rostral ventrolateral areas of the medulla result in the blood pressure lowering effect. Effects Potent blood pressure…

ArticleKunskapsbas
🟠 Enalaprilat

…lowers blood pressure by inhibiting ACE. Effects • The hypotensive effect of enalaprilat depends on plasma volume and plasma renin activity. Volume depletion and high plasma…

ArticleKunskapsbas
🟠 Esmolol

…names Brevibloc ® Indications Short term control of ventricular rate (including perioperative tachycardia) and hypertension (including hypertensive emergency, perioperative hypertension). Mechanism of action • Relatively cardioselective …

ArticleKunskapsbas
🟠 Fenoldopam

…blood pressure while maintaining or increasing kidney perfusion. Effects Dopamine 1 receptor agonists lower systemic blood pressure and increase renal perfusion. Time to onset of…

ArticleKunskapsbas
🟠 Metoprolol

…Mechanism of action Beta 1 adrenergic blocker. Effects Lowers blood pressure, reduces heart rate, myocardial oxygen consumption and myocardial contractility. Less pronounced blood pressure lowering…

ArticleKunskapsbas
🟠 Nitroprusside

…Effects Potent blood pressure lowering. Antianginal effect. Reduces afterload and preload. Effective in pulmonary edema. Can produce severe hypotension. Time to onset of action 30…

ArticleKunskapsbas
🟠 Phentolamine

…to 15 minutes as necessary. Continuous infusion: Start infusion at 0.1 mg/min and increase in increments of 0.1 mg. Adverse effects Tachycardia…

ArticleCPR
Cardiac arrest due to pneumothorax

…a lack of lung tissue) and its impact on cardiac function. Clinically, patients may present with: Absent breath sounds on the affected side Crepitus Subcutaneous…

ArticleEchocardiography
Hemodynamic principles and calculations

…catheterization. This section discusses hemodynamic principles and how these can be leveraged to calculate stroke volume, cardiac output, pressure conditions, severity of stenoses and regurgitations…

ArticleCardiology
Hypertensive emergency (crisis)

…causes dilation of the coronary and systemic arteries, decreases total peripheral resistance, decreases systemic blood pressure, and decreases afterload. Nicardipine has antianginal and antihypertensive effects…

ArticleProcedurer
Abscess incision and drainage

…move under pressure; cellulitis instead gives a diffuse oedematous picture without a demarcated fluid collection. Ultrasound also shows the depth of the cavity and its…

ArticleProcedurer
Arterial line

…a transducer, and a flush system with physiological saline in a pressure bag inflated to 300 mmHg , which provides a continuous slow flush. Ultrasound with…

ArticleProcedurer
Casting and immobilisation

…the plaster become pressure points against the skin. 6. Fold the ends of the stockinette back over the edge of the cast and smooth the…

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

…after hip fracture, major surgery and intensive care [1,2]. The condition is associated with falls, aspiration, pressure sores, loss of function, longer length of…