10 results
Ground Glass Opacities on Lung CT - Pathophysiology
Ground glass opacity lung is denser (whiter) than normal
Opacities on Lung CT ... often, GGO is caused ... replacement of air ... Opacities #Lung #pulmonary ... #ChestCT #Pathophysiology
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura in severe cases ... - Dynamic air ... Distress Syndrome (ARDS ... submassive PE) POCUS ... #Lung #POCUS #ultrasound
Diagnosis and Management of Diffuse Alveolar Hemorrhage (DAH)
Blood escaping through the capillary wall into the alveoli,
, due to injury, ... hemoptysis, anemia • Chest ... CT scan: diffuse ... Diagnosis #Management #Pulmonary ... #Differential #Causes
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Traumatic brain injury ... interstitium and alveoli ... nervous system injury ... infiltrates on chest ... scattered crackles, chest
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
quantify renal injury ... Other tests: • CT ... chest to evaluate ... leading to diffuse alveolar ... CT
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
bronchial wall injury ... Most Common Causes ... Nasal polyps and signs ... thickening, presence of air-fluid ... CT) • Broncho-arterial
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
is a radiologic sign ... hump along may aid ... In this case, pulmonary ... confirmed with chest ... CT angiography.
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
CT: Halo sign ... phagocytic function of alveolar ... factor • May cause ... Infections #HIV #AIDS ... #pulmonary #differential
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
cytotoxic lung injury ... organizing pneumonia, ARDS ... Pleuritic chest ... macrophages in alveolar ... reticular opacities on chest
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... SpO2 88% on room air ... This post will focus ... Pulmonary Contusion ... Most commonly caused