31 träffar

ArticleProcedurer
Oesophageal ECG

…ECG can never achieve, and makes it visible even when it lies buried in the QRS complex or the T wave. The whole value of…

ArticleCPR
Sudden cardiac arrest: Case 6

…Although the signal in the upper lead appears very disorganized, there are visible QRS complexes. The signal in the lower lead shows that the rhythm…

ArticleProcedurer
Cryotherapy of skin lesions

…°C. The outer limit of the ice front is only at 0 °C — the lethal temperature lies some way inside the visible ice front , and…

ArticleProcedurer
Paracentesis

…Scars, hernia or visible abdominal wall collaterals (caput medusae) Puncture at least a few centimetres away from them Full bladder Have the patient void, or…

ArticleECG
Assessment of Pacemaker Malfunction

…Figure 3. Failure to capture. The pacemaker paces in the atrium but P waves are not visible, suggesting that the atria are not depolarized. Figure…

ArticleDrugs and electrolyte imbalance
ECG changes due to electrolyte imbalance (disorder)

…of serious arrhythmias. This is possible because there is a correlation between the severity of electrolyte imbalance and the visible ECG changes. Specific electrolyte disorders…

ArticleECG
Interpretation of Pacemaker ECG

…and perform troubleshooting should be considered a basic clinical skill. Pacing activity may be visible or invisible, depending on e.g the type of pacemaker…

ArticleArrhythmias and arrhythmology
Pacemaker-mediated tachycardia (PMT): ECG and management

…stimulation generates a stimulation artifact ("pacemaker spike"). Older pacemakers generate large and visible spikes, whereas newer models may generate very minute or even invisible spikes…

ArticleCPR
Sudden cardiac arrest: Case 8

…3. Repeated bursts of VT. ECG 4. There are now visible ST segment elevations and Q waves not seen on the initial recording (ECG 1).

ArticleProcedurer
Endotracheal intubation

…and surgical airway equipment (a size 10 scalpel, a bougie, a size 6.0 tube) out and visible. Capnography connected and calibrated. Working venous access…

ArticleProcedurer
Eye examination and corneal foreign body

…lid margin upwards and backwards towards the forehead. Double eversion is achieved by advancing the bud further downwards until the upper fornix is visible. 6…

ArticleProcedurer
Gynaecological examination and cervical smear

…interval the patient happens to be — a recently taken normal smear is no reason to refrain from investigating postmenopausal bleeding or a visible cervical lesion…

ArticleProcedurer
Wound suturing

…With a glass injury: consider radiography, since glass is usually visible on plain films. Irrigation fluid: a copious volume of drinking quality tap water or…

ArticleKunskapsbas
🟠 Reference values for adult ECG

…wave amplitudes in lead II and V1. If P wave not clearly visible: look for retrograde (inverted) P waves, which can be located anywhere between…

ArticleEchocardiography
Pericardial Effusion & Cardiac tamponade

…to 50 ml of liquid. This volume is so small that the pericardial space is usually not visible on ultrasound (alternatively, a few millimeters of…