17 results
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
Onset Fever - Differential ... • Thoracic • Abdominal ... • Sickle Cell disease ... • Drug fever ... #Fever #Acute
Biphasic Illness of Leptospirosis
Some patients do not progress to severe disease. Others, rapidly develop severe disease
develop severe disease ... -14 days): • Fever ... rash • Others: nausea ... , vomiting, abdominal ... (renal + hepatic
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... symptoms - Headache, fever ... , fatigue, Nausea ... , abdominal pain ... #rheumatology #comparison
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Diagnosis Framework Disease ... angioinvasive disease ... • Fever, weight ... lymphadenopathy, • Abdominal ... Hyponatremia • Elevated hepatic
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... Fever/Chills/Joint ... Knee Effusions - Septic ... Acute rheumatic fever ... differential #diagnosis #msk
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
• Clinical: fever ... +++ (Plt, Hb), Hepatic ... , ↓ Fibrinogen level ... Drugs, Unknown cause ... Lymphohistiocytosis #diagnosis #management
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Legg-Calve-Perthes disease ... - HIV - Lyme disease ... Poikilothermia • Septic ... pain/swelling - Fever ... lower #extremity #msk
Septic Olecranon Bursitis on POCUS

A patient presents with fever to 102F and pain over her olecranon
presents with fever ... An ultrasound over ... best choice for management ... Elbow #clinical #ultrasound ... #MSK #Ortho
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
night sweats, fever ... Glomerulonephritis Septic ... Emboli Cause Injury ... Persistent bacteremia/fevers ... Endocarditis #diagnosis #management
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
acute rheumatic fever ... ), RA, crystal disease ... Inflammatory, crystalline disease ... Like in this case ... #Joint #Pain #MSK