16 results
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
Causes of Fever ... - Differential Diagnosis ... • Infection: Extrapulmonary ... Malignancy: - Hematologic ... . autoimmune): Lupus
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Blood Cell (RBC) Morphology ... Chemotherapy (e.g ... #differential #diagnosis ... #hematology #microscopy ... #atlas #nomenclature
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
considered to be caused ... nettle sting #Diagnosis ... #Dermatology #Skin ... #Nomenclature #Atlas ... #Key #Basics
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
regurgitation • Autoimmune ... Hypercoagulable (APLAS ... night sweats, fever ... Septic Emboli Cause ... ↑ ESR, CRP • EKG
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... - Differential Diagnosis ... reddish-purple lesions ... Red Flags: • Fever ... Palpable Rash: - Autoimmune
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
known as rat bite fever ... or Haverhill fever ... classic targetoid lesions ... #differential #diagnosis ... #dermatology #compared
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... Autoimmune diseases ... patients Skin lesions ... symptoms - Headache, fever ... #rheumatology #
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
regurgitation • Autoimmune ... Hypercoagulable (APLAS ... night sweats, fever ... Septic emboli cause ... ↑ ESR, CRP • EKG
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
/Sepsis/Shock, Autoimmune ... dysfunction is key ... showing cortical lesions ... the underlying cause ... with AEDs until cause
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
weight loss, and fever ... papulosquamous lesions ... Differential Diagnosis ... . hematologic) ... to: Arthritis, Fever