21 results
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T ... Specific for critical ... anterior wall MI ... 'widow maker' lesion ... #Diagnosis #Cardiology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... , LAD, and hepatomegaly ... splenomegaly Other infections ... Syphilis • Pyogenic Abscess ... #Brain #differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... Lung Abscess - Clinical ... Blood cultures • CXR ... early disease) • CXR ... stable residual lesion
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
to Headaches - Differential ... Diagnosis Algorithm ... Space-occupying brain lesion ... • CNS infection ... Matthew Ho, MD PhD
Pulmonary Embolism on POCUS Echocardiogram

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Triage EKG (no prior ... Sister had MI in ... Differential/diagnosis ... Echocardiogram #A4c #clinical ... #cardiology #McConnells
Pulmonary Tuberculosis - Patterns of Involvement
 • Scarring, Nodules and Consolidation
    - Lobar
in the apical region ... • Cavitation, Abscess ... Devpriyo Pal @drdevrad ... #chest #xray #clinical ... #radiology #CXR
Algorithm for Management of Acute Exacerbation of COPD (AECOPD)

Obtain workup for alternate diagnoses and relevant comorbidities:
ventilated • CXR ... doppler, CTA • ECG ... of AECOPD: • Clinical ... Matthew Ho, MD PhD ... #Exacerbation #treatment
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Cord Disorders - Differential ... : Clinical findings ... • Symptoms and signs ... Infections: - ... #algorithm
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Pulmonary fibrotic lesions ... emboli • Lung abscess ... characteristic features Clinical ... and Culture • CXR ... disease • Check CXR
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Infectious: Brain abscess ... Lack of UMN/LMN signs ... electromyographic (EMG ... ) studies • MRI