70 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential Diagnosis ... Space-occupying brain ... lesion • CNS infection ... Matthew Ho, MD PhD ... #Algorithm #neurology
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 ... RV, McConnell's sign ... A4c #clinical #cardiology
Colonic Thumbprint Sign on Abdominal XRay - Differential Diagnosis:
 • inflammatory bowel disease: UC and CD
Colonic Thumbprint Sign ... - Differential Diagnosis ... : UC and CD • infection ... (e.g. pseudomembranous ... #radiology #KUB
Invasive Aspergillus (IA) - Diagnosis and Management
Aspergillus is ubiquitous in nature. Most invasive infections are caused
Most invasive infections ... presentations: • Pulmonary ... Rhinosinusitis, CNS infection ... , Disseminated infection ... : Intravitreal injection
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
Disseminated Infections ... 50% in chronic infection ... infection • Cough ... • Sinusitis • Brain ... infection (~40%
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
skin lesions, LAD ... splenomegaly Other infections ... RingEnhancing #Lesions #Brain ... #causes #radiology ... #neurology
Endocarditis checklist
Initial evaluation
 • Peripheral blood cultures (three sets at three different sites)
 • Additional culture
for metastatic infection ... joints, spleen, brain ... block (+/- daily EKG ... metastatic foci of infection ... #criticalcare #diagnosis
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
. tuberculosis infections ... inhibitors • Injection ... mycobacterial infection ... NTM) • Fungal infection ... unable to limit infection
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
common cause) • Infection ... (e.g. encephalitis ... ) • Brain lesions ... Wonderland #Syndrome #diagnosis ... #neurology #differential
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
. tuberculosis infections ... inhibitors • Injection ... mycobacterial infection ... NTM) • Fungal infection ... unable to limit infection