51 results
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
or absence of fever ... If fever is present ... disease, scarlet fever ... but without a fever ... #Diagnosis #Dermatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... mountain spotted fever ... #Diagnosis #hematology ... #nonpalpable #dermatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... Diagnosis and Workup ... or if a primary hematologic ... Platelet #Disorders #Differential ... #Workup #hematology
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Systemic and Primary Causes ... == Primary Skin ... • Xerosis (dry skin ... #generalized #dermatology ... Diagnosis #Algorithm #causes
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Skin Conditions ... • Rheumatic fever ... Sarcoidosis #dermatology ... #rashes #differential ... #diagnosis #rheumatology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
evaluation or workup ... 1,500 cells/µL Workup ... symptoms (eg, skin ... Disorders #Algorithm #Differential ... #diagnosis #hematology
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
Tachypnea - Differential ... deep breathing Pulmonary ... effusion/Tamponade Hematologic ... • Temperature/FEVER ... Tachypnea #Hyperpnea #Differential
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
red-flags to exclude dermatologic ... instability - New-onset fever ... sulfa-drug - Skin ... #Diagnosis #Dermatology ... Targetoid #Algorithm #Differential
Combination of Skin Findings and Arthritis in Pediatrics Patient - Differential Diagnosis
Malar rash: 
 • A
Pediatrics Patient - Differential ... not be seen try focus ... Suggestive of: Rheum Fever ... gabrieltalledop #dermatology ... #differential #
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Red Flags: • Fever ... deficiency Work ... cryoglobulins • Skin ... • Abdominal ultrasound ... #dermatology #physicalexam