11 results
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Nail Disorders secondary ... Iron deficiency anemia ... halt nail growth (e.g ... • Bacterial endocarditis ... #dermatology #Differential
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
= Primary Skin Lesions ... No Primary Skin Lesion ... renal failure/uremia ... Pruritus #primary #secondary ... #generalized #dermatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... hemorrhagic skin lesions ... leakage of RBC's secondary ... - Hemolytic anemia ... • Bacterial endocarditis
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Renal Failure • Liver ... Neoplastic / Hematologic ... • Anemia • ... Infectious • Endocarditis ... • Drug Abuse (e.g
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
with devastating differential ... vasculitic diseases secondary ... palpable, the differential ... gonococcal disease, endocarditis ... #Diagnosis #Dermatology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
night sweats, fever ... Marantic (NTBE) Differential ... ↑ ESR, CRP • EKG ... Leukocytosis, anemia ... diagnosis #management #cardiology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... reddish-purple lesions ... in primary or secondary ... Red Flags: • Fever ... Schonlein Purpura - Endocarditis
Hemorrhagic Pericardial Effusions (Hemopericardium)- Differential Diagnosis Framework

IATROGENIC DISEASE
Secondary to invasive cardiac procedures

NONIATROGENIC
• Malignancy (e.g., metastatic spread:
Hemopericardium)- Differential ... IATROGENIC DISEASE Secondary ... • Malignancy (e.g ... amyloidosis • Uremia ... Mediterranean fever
Pruritus - No Primary Skin Lesion - Differential Diagnosis Algorithm

Blood Glucose:
 • Diabetes Mellitus
Liver Function Tests/Enzymes:
No Primary Skin Lesion ... - Differential ... renal failure/uremia ... #Pruritus #secondary ... #generalized #dermatology
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
and Differential ... night sweats, fever ... ↑ ESR, CRP • EKG ... Leukocytosis, anemia ... #Differential #