117 results
Posterior Cruciate Ligament (PCL) Injury: Pathogenesis and Clinical Findings
Classification of PCL Iniuries
 • Partial: Translation <
mm on posterior drawer ... : Posterior drawer ... + Posterior draw ... #MSK #Sports #pathophysiology ... classification #diagnosis
Lemierre’s Syndrome - Pathophysiology

Lemierre’s is an infectious thrombophlebitis of the internal jugular vein.

 - It starts
Lemierre’s Syndrome ... - Pathophysiology ... peritonsillar abscess ... #Pathophysiology ... #Diagnosis
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
- Differential Diagnosis ... Organ Specific Infection ... Abscess: • Head ... Neuroleptic malignant syndrome ... #Differential #Diagnosis
Right Upper Quadrant Pain
Liver:
 - Infectious: Acute viral hepatitis, Liver abscess
 - Non-infectious: hepatitis (Alcohol, Medications),
hepatitis, Liver abscess ... - Non-infectious ... ), Budd-Chiari syndrome ... Subdiaphragmatic abscess ... #differential #diagnosis
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
- Differential Diagnosis ... vasoconstriction syndrome ... brain injury • Infectious ... Encephalitis, Brain Abscess ... Neurocysticercosis, PML
Hantavirus
Pathogen: Hantavirus - Rodents are the primary reservoir
Transmission:
 • Shed in the urine, feces, saliva of
common route of infection ... Cardiopulmonary Syndrome ... +/- diarrhea Diagnosis ... #Hantavirus #diagnosis ... management #treatment #microbiology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... - Compatible syndrome ... toxo IgG • CNS PCR ... Syphilis • Pyogenic Abscess ... #differential #diagnosis
Causes of Antibiotic Failure - Differential Diagnosis Framework
Diagnosis:
 • Non-Infectious: Malignant, Autoimmune, Drug-related (NMS, serotonin syndrome,
- Differential Diagnosis ... Framework Diagnosis ... NMS, serotonin syndrome ... Source control (abscess ... #Differential #Diagnosis
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
- Differential Diagnosis ... • Abscess, bacteremia ... • Hyper-IgD syndrome ... Leptospirosis Pel-Ebstein ... #Differential #Diagnosis
Nontuberculous Mycobacteria
RAPID GROWERS: 
 • Mycobacterium abscessus, chelonae, fortuitum
SLOW GROWERS: 
 • Mycobacterium avium complex, marinum,
Mycobacterium abscessus ... avium complex, abscessus ... & SOFT TISSUE INFECTION ... #differential #diagnosis ... #microbiology #