2025/03¶
Treatment of MDR Gram-negative bacilli
Green, susceptibility anticipated to be >80%; yellow, susceptibility anticipated to be 30% to 80%; red, intrinsic resistance or susceptibility anticipated to be <30%.
1, US Food and Drug Administration–approved agent; 2, synthetic tetracycline derivative; 3, imipenem-cilastatin–relebactam; 4, synthetic aminoglycoside; 5, polymyxin class.
Abbreviations: KPC, Klebsiella pneumoniae carbapenemase; NDM, New Delhi metallo-β-lactamase. (Tamma et al., 2024)
Lung ultrasound
| LUS Finding | Description | Clinical Significance |
|---|---|---|
| A-lines | Horizontal, repetitive lines | Normal lung aeration or pneumothorax |
| B-lines | Vertical, hyperechoic laser-like artifacts | Pulmonary edema, pneumonia, ILD, ARDS |
| Consolidation | Tissue-like hypoechoic region | Pneumonia, atelectasis, infarction |
| Pleural Effusion | Anechoic or echogenic fluid collection | Heart failure, infection, malignancy |
| Lung Sliding | Pleural shimmering movement | Absent in pneumothorax or adhesions |
| Shred Sign | Irregular lung border | Pneumonia-related consolidation |
| Lung Point | Transition between sliding and no sliding | Pneumothorax |