41 träffar

ArticleEchocardiography
The ultrasound transducer

…waves. The transducer is held with one hand and its position and angle are adjusted to send ultrasound waves through structures to be visualized. Ultrasound…

ArticleProcedurer
Abscess incision and drainage

…again within a day, and the abscess sits somewhere that makes incision in the emergency department the wrong move — in the hand, in the medial…

ArticleProcedurer
Arterial line

…Contraindications Infection, burn or trauma over the insertion site. Insufficient collateral circulation to the hand. Vascular disease in the limb: marked peripheral arterial disease, Raynaud…

ArticleProcedurer
Wound suturing

…avoided or considered carefully in: Bite wounds — particularly cat and human bites, and all bites on the hand. These are as a rule left open…

ArticleMyocardial ischemia and infarction
Posterior acute myocardial infarction (STEMI)

…does not display ST segment elevations during posterior (posterolateral) transmural ischemia. On the other hand, leads V1–V3 (occasionally V4) may detect the injury currents…

ArticleProcedurer
Endotracheal intubation

…uncuffed tube age/4 + 4 tube size × 3 Term newborn 3.0–3.5 6 + weight in kg Always have one size smaller to hand…

ArticleProcedurer
Eye examination and corneal foreign body

…when perforation is suspected). A tonometer: an applanation tonometer on the slit lamp, or a hand held device (iCare, Tono Pen). Procedure Systematic examination 1…

ArticleProcedurer
Gastric lavage and activated charcoal

…Working suction, oxygen and complete equipment for intubation and ventilation must be to hand before the lavage begins. The head of the trolley must be…

ArticleProcedurer
Joint aspiration

…skin. 2. Clean and let it dry. Do not palpate the puncture site again with an unsterile hand. 3. Insert the needle in one movement…

ArticleProcedurer
Nasogastric tube

…be out and working before you begin. Inform the patient and agree a hand signal for a pause. Position the patient semi recumbent with the…

ArticleProcedurer
Otoscopy and ear syringing

…small children. 3. Rest your hand against the patient's cheek so that the otoscope moves with the head if it moves. 4. Insert the…

ArticleProcedurer
Pericardiocentesis

…probe cover. Continuous ECG, blood pressure and saturation monitoring; a defibrillator to hand. Sterile gown and gloves, chlorhexidine in alcohol 5 mg/mL, a large…

ArticleProcedurer
Pleural aspiration and chest drain

…abducted and the hand behind the head. All drains are inserted within the safe triangle (Figure 1). Outside it the risk of injuring the diaphragm…

ArticleProcedurer
Skin biopsy — punch, shave and excision

…the posterior triangle of the neck, and the superficial nerves of the forearm and the dorsum of the hand. Preparation and equipment Chlorhexidine in alcohol…

ArticleKunskapsbas
🟠 Mitral valve

…10 mmHg Additional parameters Mild stenosis Moderate stenosis Severe stenosis Pulmonary artery pressure <30 30 50 50 References 1. Baumgartner, Helmut; Hung, Judy; Bermejo, Javier…

ArticleKunskapsbas
🟠 Pulmonary valve

…stenosis Peak velocity (m/s) < 3 43528 4 Peak gradient (mmHg) < 36 36 64 64 References 1. Baumgartner, Helmut; Hung, Judy; Bermejo, Javier…

ArticleKunskapsbas
🟠 Tricuspid valve

…½,ms) ≥ 190 ms Right atrium Pressure half time (T ½, ms) Vena cava inferior enlarged References 1. Baumgartner, Helmut; Hung, Judy; Bermejo, Javier; Chambers…

ArticleContinous medical discussion: the ECG blog
A new ECG biomarker for sudden cardiac death

…mined for predictive features for decades. The problem has been that hand engineered ECG markers have never matched LVEF, and extracting them depends on expert…

ArticleCPR
Cardiac arrest due to pneumothorax

… 140:37 42. Endo A, Kojima M, Hong ZJ, Otomo Y, Coimbra R. Open chest versus closed chest cardiopulmonary resuscitation in trauma patients with signs…

ArticleCPR
Cardiac arrest during sepsis

… 140:37 42. Endo A, Kojima M, Hong ZJ, Otomo Y, Coimbra R. Open chest versus closed chest cardiopulmonary resuscitation in trauma patients with signs…

ArticleCPR
Cardiac tamponade causing cardiac arrest

… 140:37 42. Endo A, Kojima M, Hong ZJ, Otomo Y, Coimbra R. Open chest versus closed chest cardiopulmonary resuscitation in trauma patients with signs…