60+ träffar

ArticleCPR
Cardiac arrest due to pneumothorax

…during central venous catheter insertion) Underlying lung pathologies In cases of benign pneumothorax, positive pressure ventilation can precipitate a tension pneumothorax, leading to circulatory collapse…

ArticleCPR
Cardiac tamponade causing cardiac arrest

…cases of cardiac tamponade, conventional chest compressions are ineffective. This is explained by the elevated intrapericardial pressure due to the tamponade. The increased pressure causes…

ArticleProcedurer
Pericardiocentesis

…blood pressure during inspiration; one of the most useful signs Low voltage on the ECG, electrical alternans Supportive; it does not exclude Diastolic collapse of…

ArticleCPR
Cardiac arrest during sepsis

…pressure (MAP) above 65 mmHg, consider the initiation of vasopressor therapy . Potential vasopressor agents include: Norepinephrine Phenylephrine Vasopressin Prioritize the collection of blood cultures to…

ArticleEndokrinologi & metabolism
Hypoglycaemia: quick reference for emergency management

…need investigation on the basis of an isolated, asymptomatic low sensor reading alone. Symptoms Autonomic symptoms Early warning symptoms are due to sympathetic activation: sweating…

ArticleCardiology
Cardiac Tamponade: Recognition and Pericardiocentesis

…ventricle are compressed, with elevation of their diastolic pressures. Right sided filling becomes increasingly dependent on the fall in intrathoracic pressure during inspiration. The inspiratory…

ArticleReferensvärden
Blood pressure

…a rule no more than 25% during the first hour. The exception is aortic dissection, where a systolic pressure below 120 mmHg and a heart…

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

…White coat hypertension Raised Normal Masked hypertension Normal Raised Established hypertension Raised Raised Nocturnal dipping: the pressure normally falls by 10–20 % during the night…

ArticleKunskapsbas
🟠 Mean arterial pressure (MAP) calculator

…an increased risk of cardiovascular diseases, such as stroke, and mortality. Stability : MAP readings tend to be more accurate than systolic blood pressure when using…

ArticleInfo
🟠 Inotropes and Vasopressors

…Dobutamine Cardiogenic shock Bradycardia (second line therapy) Stress testing (due to induced increase in myocardial O 2 consumption) Regular : 2.0–20 μg/kg…

ArticleCardiology
Secondary Hypertension: When and How to Investigate

…present Factors that may be contributing to elevated blood pressure Other cardiovascular risk factors and relevant comorbidities Evidence of hypertension mediated organ damage Existing cardiac…

ArticleReferensvärden
Circulatory and haemodynamic parameters

Referensvärden Haemodynamic measurements become interpretable only when related to one another. A low blood pressure may be due to low flow, low vascular tone or…

ArticleProcedurer
Exercise stress test on cycle ergometer

…Moderate to severe aortic stenosis without symptoms Individual assessment Hypertrophic cardiomyopathy with outflow tract obstruction Caution Tachyarrhythmia or bradyarrhythmia Rate control first Blood pressure 200…

ArticleKunskapsbas
🟠 Nitroglycerin

…Time to onset of action: 2 to 5 minutes Duration of action: 5 to 10 minutes. Adverse effects Headache (cerebral vasodilation). Tachycardia (due to reflex…

ArticleCardiology
Resistant Hypertension: Evaluation and Treatment

…directly observed treatment or detection of prescribed drugs in blood or urine. The terms “controlled resistant hypertension,” referring to blood pressure controlled with four or…

ArticleProcedurer
CPAP and non-invasive ventilation (NIV)

…to oxygenation requirement SpO₂ 92–96% The pressure support is the difference between IPAP and EPAP, and it is this that does the work of…

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

…following is aimed for: 1. Lower the mean arterial pressure by no more than about 20 to 25 per cent during the first hour. 2…

ArticleReferensvärden
Intensive care parameters

…to strive for. Ventilation In ARDS: a tidal volume of 4–8 mL/kg ideal body weight, a plateau pressure ≤ 30 cmH₂O, a driving pressure…

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

Enalaprilat Enalaprilat is rarely used in hypertensive crisis due to its slow onset, prolonged duration of effect, and significant individual variations in its effect. Drug…

ArticleKunskapsbas
🟠 Esmolol

…min. Maximum infusion dose: 300 μg/kg/min. Bolus doses of 300 μg/kg can be repeated during infusion. Adverse effects Flushing. Nausea…

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

…acute heart failure. • Used cautiously in patients with asthma (due to risk of bronchospasm). • Used cautiously in bradycardia due to negative chronotropic effect. Metoprolol doses…

ArticleKunskapsbas
🟠 Nitroprusside

…and monitor the patient closely to avoid cyanide toxicity. • Dose dependent reduction in coronary and renal perfusion. • Dose dependent elevation of intracranial pressure (ICP) and…

ArticleKunskapsbas
🟠 Phentolamine

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