30 results
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... Blood cultures • CXR ... early disease) • CXR ... Differential Diagnosis ... • Vasculitis (e.g
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - Differential ... thirst, Lack of access ... ): Iatrogenic, Ingestion ... , Cushing syndrome ... Matthew Ho, MD PhD
Bradycardia
1) First Steps: IV, O2, Monitors, ECG, Pads on patient, Crash Cart in room. Is patient
, Pads on patient ... worsening brady, Signs ... Pads in AP position ... bradycardia #diagnosis #differential ... #management #cardiology
Hypotension in Anesthesiology - Differential Diagnosis and Management 

Initial checklist: 
 - Verify BP (e.g. surgeon
Diagnosis and Management ... - Verify BP (e.g ... Check other vital signs ... compression) Initial treatment ... More / larger iv access
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
to Headaches - Differential ... papilledema • Horner syndrome ... • Meningeal signs ... lesion • CNS infection ... Matthew Ho, MD PhD
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
, dyspnea, +/- CXR ... WBC >100k, + lab signs ... organ damage • Treatment ... unless worrisome EKG ... TLS #diagnosis #management
Algorithm for Management of Acute Exacerbation of COPD (AECOPD)

Obtain workup for alternate diagnoses and relevant comorbidities:
Algorithm for Management ... ventilated • CXR ... doppler, CTA • ECG ... Matthew Ho, MD PhD ... #Exacerbation #treatment
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
life-threatening Differential ... Serologic and EMG ... test - Cogan sign ... - Peek sign ... Gravis #diagnosis #management
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
Differentiation Syndrome ... Prednisone 5mg/kg ... common • Imaging: CXR ... initiation • Differential ... APML #diagnosis #management
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... skin lesions, LAD ... splenomegaly Other infections ... Syphilis • Pyogenic Abscess ... Lesions #Brain #differential