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Shock-able Rhythms
If one of these rhythms is identified, the priority in treatment is to deliver electricity to the heart using a defibrillator. Ventricular fibrillation (VF) This is identified by the erratic nature of the electrical activity. It is random and unpredictable. It is sometimes classified as being fine or coarse depending on whether the electrical activity is of small (fine) or large (coarse) amplitude. Ventricular tachycardia (VT) This is a broad QRS complex tachycardia that has a very distinctive appearance on an ECG monitor. It is not always associated with cardiac arrest but is always a significant arrhythmia.
Chest X Ray - Four Patterns
Chest X Ray - Four Patterns Lung abnormalities with an increased density - also called opacities - are the most common. A practical approach is to divide these into four patterns: Consolidation Interstitial Nodules or masses Atelectasis Whenever you see an area of increased density within the lung, it must be the result of one of these four patterns. Consolidation - any pathologic process that fills the alveoli with fluid, pus, blood, cells (including tumor cells) or other substances resulting in lobar, diffuse or multifocal ill-defined opacities. Interstitial - involvement of the supporting tissue of the lung parenchyma resulting in fine or coarse reticular opacities or small nodules. Nodule or mass - any space occupying lesion either solitary or multiple. Atelectasis - collapse of a part of the lung due to a decrease in the amount of air in the alveoli resulting in volume loss and increased den...

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