10 results
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - ... Differential Diagnosis ... Mono (EBV, CMV), Acute ... Meningococcal meningitis ... #Rash #Differential
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Differential Diagnosis ... bacterial meningitis ... • Tuberculous meningitis ... #Patterns #Differential ... #Diagnosis #intermittent
ID Approach to Fever and Rash - Diagnostic Algorithm
Central Maculopapular (most common):
Measles, Parvovirus 819 / EBV,
and Rash - Diagnostic ... Parvovirus 819 / EBV, Acute ... Mycoplasma), Infective endocarditis ... RMSF, Neisseria meningitidis ... #Rash #Febrile
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... • Headache • Fever ... Maculopapular rash ... Symptoms: • Acute ... • Uveitis • Rash
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Interpretation of LFTs ... disease: > 2 • NASH ... Hemolysis #liver #chemistry ... #diagnosis #differential ... transaminitis #LFTs
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Involves aortic and mitral ... Culture (+): Acute ... night sweats, fever ... Marantic (NTBE) Differential ... Persistent bacteremia/fevers
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
weight loss, and fever ... permanent alopecia Differential ... and CNS • Headache ... PAC • Aseptic meningitis ... • Libman-Sacks endocarditis
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... - APLS • Acute ... - Neisseria meningitidis ... mountain spotted fever ... • Bacterial endocarditis
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
Dehydrogenase (LDH) - Differential ... Diagnosis Framework ... Periodic paralyses CNS ... • Bacterial meningitis ... myocarditis, rheumatic fever
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
and Differential ... involves aortic and mitral ... Culture Positive: • Acute ... night sweats, fever ... #Differential #