59 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Rash • Human ... parvovirus B19 infection ... Malar rash ... • Rheumatic fever ... #rashes #differential
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
pharyngeal erythema, fever ... pharyngeal erythema, fever ... Sudden onset of fever ... -> Fever, cough ... jaundice and RUQ pain
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... Red Flags: • Fever ... lesions • Severe pain ... #Causes #dermatology
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
Tachypnea - Differential ... effusion/Tamponade Hematologic ... dysfunction; toxic ingestions ... • Temperature/FEVER ... Anxiety, fright, pain
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
Hyperkalemia Pulmonary ... Diptheria • Typhoid fever ... Acute rheumatic fever ... Psittacosis • Q fever ... • Yellow fever
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
Vulnificus skin infection ... marine microbiota & causes ... Rapid onset of fever ... #dermatology #legs ... #clinical #photo
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
known as rat bite fever ... or Haverhill fever ... infectiosum • Fever ... acute rheumatic fever ... comparison #table #differential
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint Pain ... Genitourinary Infection ... • Rheumatic Fever ... • Rheumatic Fever ... #Orthopedics #Causes
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic Algorithm ... instability - New-onset fever ... sulfa-drug - Skin pain ... #Diagnosis #Dermatology ... #Differential #
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Still's Disease Clinical ... triad: Fever, Arthralgia ... arthritis, Skin rash ... fraction < 20% Differential ... Diaqnoses: • Infectious