60+ träffar

ArticleProcedurer
Ankle-brachial index (ABI)

…Procedure 1. Arm pressure. Place the cuff on the upper arm. Locate the brachial signal in the antecubital fossa with the Doppler probe at 45…

ArticleReferensvärden
Intensive care parameters

…raises the intracranial pressure. Circulation Parameter Target Comment : : : MAP ≥ 65 mmHg 80–85 mmHg in chronic hypertension or when there are signs of inadequate perfusion…

ArticleGastroenterologi & hepatologi
Upper gastrointestinal bleeding: quick reference

…strong suspicion of portal hypertension? Variceal and ulcer bleeding are managed differently from the first minute. Peptic ulcer remains the commonest cause of upper gastrointestinal…

ArticleReferensvärden
Blood pressure

…most common cause of misclassification. Five minutes' seated rest, back and arm supported, legs uncrossed, no conversation Cuff width ≥ 40% of the upper arm circumference…

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

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

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…

ArticleProcedurer
Exercise stress test on cycle ergometer

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

ArticleKunskapsbas
🟠 Nitroglycerin

…min to desired blood pressure. Maximum dose: 100 μg/min. Time to onset of action: 2 to 5 minutes Duration of action: 5 to…

ArticleCardiology
Cardiac Tamponade: Recognition and Pericardiocentesis

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

ArticleCardiology
Metabolic Syndrome: Definition and Clinical Significance

…profibrotic mediators. Perinephric fat is associated with hypertension and blood pressure variability, while obesity and hypertension together promote left ventricular hypertrophy and kidney injury. The…

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)

…ongoing upper gastrointestinal bleeding. Marked agitation or inability to cooperate. Copious secretions without an effective cough. Choice of method and settings Condition Method Starting pressure…

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

…Acute left ventricular failure. Mechanism of action Enalaprilat is the active metabolite (ester) of enalapril, an angiotensin converting enzyme (ACE) inhibitor. Enalaprilat lowers blood pressure…

ArticleKunskapsbas
🟠 Esmolol

…beta adrenergic receptor blocker. • Esmolol lowers blood pressure immediately (within 1 minute) • Esmolol may also be used to control supraventricular tachycardia (rate control). • Esmolol may…

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

…Less pronounced blood pressure lowering effect than esmolol and labetalol. Time to onset of action 20 minutes Duration of action 5 to 8 hours Delivery…

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

…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…

ArticleCPR
Cardiac arrest due to pneumothorax

…lung pathologies In cases of benign pneumothorax, positive pressure ventilation can precipitate a tension pneumothorax, leading to circulatory collapse. Diagnosis of a tension pneumothorax can…

ArticleEchocardiography
Hemodynamic principles and calculations

…these can be leveraged to calculate stroke volume, cardiac output, pressure conditions, severity of stenoses and regurgitations, etc . These calculations are based on simple mathematical…

ArticleCardiology
Hypertensive emergency (crisis)

…Acute left ventricular failure. Mechanism of action Enalaprilat is the active metabolite (ester) of enalapril, an angiotensin converting enzyme (ACE) inhibitor. Enalaprilat lowers blood pressure…

ArticleProcedurer
Abscess incision and drainage

…Take a culture from the wall of the cavity before irrigating. 5. Let the pus drain out. Empty it with gentle pressure around the cavity…

ArticleProcedurer
Arterial line

…chance of success by counteracting vascular spasm. Pressure monitoring set: stiff, short tubing, a transducer, and a flush system with physiological saline in a pressure…

ArticleProcedurer
Casting and immobilisation

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

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

…several factors Inattention is central. A simple check is to ask the patient to recite the months of the year backwards. A normal result does…