60+ träffar

ArticleCPR
Cardiac tamponade causing cardiac arrest

…atria and the ventricles (particularly the former). Even small pressure elevations on the right side can compromise venous return to the right ventricle. Therefore, in…

ArticleProcedurer
Arterial line

…test is still used in many units to assess the collateral circulation, but the test does not reliably predict ischaemic complications and should not decide…

ArticleProcedurer
Central venous catheter

…a central venous catheter insertion is decided before the needle goes in: the choice of site, the use of ultrasound throughout the puncture, and maintaining…

ArticleCardiology
Pulmonary Embolism (PE)

…and improvements in CT techniques, have increased the detection of pulmonary embolism. Currently, the lifetime risk of developing venous thromboembolism is 8% for individuals 45…

ArticleKunskapsbas
🟠 Hydralazine

…blockers). Effects Induces arteriolar vasodilation without effects on venous circulation. The reduction in systemic vascular resistance (SVR) is rapid and may cause reflex sympathetic stimulation…

ArticleCPR
Cardiac arrest due to electrolyte imbalance

…electrolyte disturbance observed in cardiac arrest scenarios. Hypocalcemia, although capable of causing cardiac arrest, is an infrequent occurrence. Hypercalcemia, hyponatremia, hypernatremia, hypomagnesemia, and hypermagnesemia are…

ArticleCPR
Cardiac arrest due to pneumothorax

…air is substantial enough to compress the superior and inferior vena cava, impeding or halting venous return to the heart. In instances of tension pneumothorax…

ArticleProcedurer
Abscess incision and drainage

…alae nasi, upper lip) Venous drainage towards the cavernous sinus Surgeon or ENT; often antibiotics Palm, fingers, tendon sheaths Deep compartments and tendon sheaths, loss…

ArticleEndokrinologi & metabolism
Hypoglycaemia: quick reference for emergency management

…confusion, a change in behaviour, collapse or an acute neurological deficit. Hypoglycaemia can cause hemiparesis, aphasia and radiological changes resembling ischaemic stroke. Glucose measurement is…

ArticleProcedurer
Warfarin therapy

…adherence, pregnancy after the first trimester under specialist care). Rheumatic mitral stenosis with atrial fibrillation. In uncomplicated atrial fibrillation and in ordinary venous thromboembolism, a…

ArticleKunskapsbas
🟠 Clevidipine

…the venous capacitance vessels. Hence, Clevidipine reduces blood pressure without affecting cardiac filling pressures. • Clevidipine is more effective than nitroglycerin, nitroprusside, and nicardipine in hypertensive…

ArticleKunskapsbas
🟠 Mean arterial pressure (MAP) calculator

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

ArticleCardiology
Cardiac amyloidosis

…A history of increasing frequency of hospitalizations and visits for heart failure without disease recognition in the 3 years preceding diagnosis is also a notable…

ArticleCardiology
Cardiac Tamponade: Recognition and Pericardiocentesis

…haemodynamically by elevation and near equalization of diastolic pressures in the cardiac chambers, with chamber pressures approaching intrapericardial pressure. The jugular venous waveform typically has…

ArticleCardiology
Cardiovascular Risk in Inflammatory and Autoimmune Disease

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

ArticleCardiology
Diuretic Strategy and Decongestion in Heart Failure

…congestion, systemic venous hypertension, and peripheral interstitial edema. These abnormalities produce breathlessness, orthopnea, weight gain, peripheral edema, early satiety, abdominal distension and, in some patients…

ArticleCPR
Cardiac arrest during pregnancy and childbirth

CPR Cardiac arrest during pregnancy and childbirth All healthcare units capable of managing pregnant women in cardiac arrest should engage in specialized clinical training to…

ArticleCPR
Extracorporeal cardiopulmonary resuscitation (ECPR)

…well equipped centers and is generally reserved for meticulously selected cases. Extracorporeal Life Support (ECLS) encompasses several extracorporeal systems designed to assist in cases of…

ArticleCardiology
Hypertensive emergency (crisis)

…the venous capacitance vessels. Hence, Clevidipine reduces blood pressure without affecting cardiac filling pressures. • Clevidipine is more effective than nitroglycerin, nitroprusside, and nicardipine in hypertensive…

ArticleEchocardiography
Left Ventricular Function

…The concept of ejection fraction was introduced by Braunwald and colleagues in 1962 ( Braunwald et al ) and it has since then been the dominating method…

ArticleCardiology
Levosimendan (Simdax, Simendan) in acute heart failure

…involving 192 patients with cardiogenic shock, researchers compared the effectiveness of milrinone and dobutamine . The primary composite outcome included in hospital mortality, resuscitated cardiac arrest…

ArticleLungmedicin
Acute exacerbation of COPD: quick reference

…cancer and previous venous thromboembolism. A documented decision on the ceiling of care. Signs of a serious condition Finding Significance : : Inability to speak in full…

ArticleProcedurer
Ankle-brachial index (ABI)

…brachial index (TBI). The digital arteries rarely calcify, which makes toe pressure the method of choice in diabetes and renal failure. A normal TBI is ≥

ArticleProcedurer
Edrophonium test

…a minute and has gone after 5–10 minutes. That makes the test useful only if you have selected an objectively measurable finding in advance…

ArticleProcedurer
Endotracheal intubation

…heavy sedation, surgery — and cardiac arrest. Contraindications There are no absolute contraindications in the emergency situation. Consider alternatives when: Intubation is not consistent with the…

ArticleProcedurer
Opioid therapy in severe pain

…masks the diagnosis has been disproved — withholding it delays the investigation instead. Preparation and equipment Working venous access and an infusion solution. A pulse oximeter…

ArticleProcedurer
Pericardiocentesis

…ventilation before decompression where possible: anaesthesia and intubation can precipitate circulatory collapse in a tamponaded patient , since positive airway pressure further reduces the venous return…

ArticleProcedurer
Short Synacthen test

…a venous cannula. Wait a few minutes — the venepuncture itself can cause a stress related rise in cortisol. 3. Take the baseline sample : cortisol and…

ArticleProcedurer
Transcutaneous and transvenous pacing

…wide QRS complex and a pulse that can be felt. The other predictable error is forgetting that pacing hurts a great deal in a conscious…

ArticleProcedurer
Urinary alkalinisation

…MCPA) and methotrexate overdose. Tumour lysis syndrome appears as an indication in older protocols but is no longer routinely recommended — alkaline urine increases the precipitation…