26 results
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Rash Secondary ... characterized by a systemic ... commonly characterize ... #Rash #Diagnosis ... #Dermatology
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Nail Disorders secondary ... Iron deficiency anemia ... #Secondary #dermatology ... #Differential #Diagnosis ... #Algorithm #causes
Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Hypertension - BP > 140/90 (>130/80 for DM)
Hypertensive urgency
Secondary Causes ... • Bilateral RAS ... Sympathetic nervous system ... Steroids (Cushing's, exogenous ... • Unilateral RAS
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
and Primary Causes ... renal failure/uremia ... Pruritus #primary #secondary ... #dermatology #Differential ... #causes
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
lags behind the active ... Commonly mistaken ... infections, drugs, systemic ... EAC #clinical #photo ... #dermatology #skinrash
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
(cutaneous or systemic ... or trunk most commonly ... • Most commonly ... #differential #diagnosis ... #dermatology #compared
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
an underlying cause ... frequently affected systems ... sensing) vs tumor vs exogenous ... causes: Many of ... workup, think about common
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Classified among the secondary ... Petechial or purpuric rash ... with leukopenia, anemia ... Activation #Syndrome #Diagnosis ... #Management #Hematology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Common Variable ... infection risk secondary ... autoimmune hemolytic anemia ... ) • Systemic granulomatous ... DDX - Other causes
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
- Differential Diagnosis ... drug reactions - Secondary ... Megaloblastic anemia-rare ... - Secondary autoimmune ... #causes #hematology