41 results
Ventilator Troubleshooting Summary
High PIP, nl Pplat:
 - DDx: Tubing problem, Bronchospasm, Secretions
 - Next Steps: Check
, nl Pplat: - DDx ... high Pplat: - DDx ... Auto-PEEP: - DDx ... : Obstructive lung ... Hypoxemia: - DDx
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
leading into a lung ... • DDx: Septic ... infarction, mets to the lung ... Vessel #Sign #CT #Lung
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
circumferential GGO • DDx ... sarcoidosis, mets to the lung ... Halo #Sign #CT #Lung
Amiodarone Toxicity and Monitoring

Tremor Ataxia 
Ocular neuritis 
Corneal Microdeposits 
Bradycardia 
Pulmonary fibrosis 
Hepatotoxicity 
Blue-gray skin
P-Glycoprotein - Key DDI
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
dual-chamber PPM set for DDI
Cotton Wool Spots

Caused by microinfarcts. Exploded ganglion cell axons extrude their axoplasm into retina. Long DDx:
Long DDx: hypertension
Paxlovid Drug-Drug Interactions
Before prescribing ritonavir-boosted nirmatrelvir (Paxlovid) for outpatient treatment of COVID-19, determine whether the patient
#Interactions #DDI
Common Infections in a Hospitalized Patient - GRUBS-C Mnemonic

G - GI (-itis): Cholecystitis, Pancreatitis, Peritonitis, Appendicitis,
pneumonia, empyema, lung ... GRUBSC #Mnemonic #ddx
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Avg age of DX ... • Chronic lung ... lymphocytic interstitial lung ... DDX - Other causes
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
of interstitial lung ... peripheries and lower lung ... Diagnosis: • Lung ... TBNA or Surgical lung ... Anti-dsDNA, ANCA COP DDX