10 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
with devastating differential ... palpable, the differential ... gonococcal disease, endocarditis ... #Diagnosis #Dermatology ... #Nonpalpable #Differential
Janeway Lesion: Flat, painless, erythematous lesions seen on the palm of this patient's hand. While
frequently associated
Janeway Lesion: ... , in this case, ... Photo credit, Josh ... #Dermatology #SkinRash ... #Endocarditis #
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... hemostasis: - Thrombocytopenia ... Schonlein Purpura - Endocarditis ... #dermatology #physicalexam
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... Platelet Disorders - Differential ... History of bleeding (petechiae ... Platelet #Disorders #Differential ... #Workup #hematology
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Causes of Thrombocytopenia ... - Differential ... valve replacement, endocarditis ... #Differential # ... Diagnosis #Framework #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... inflammation • Thrombocytopenia ... : - Thrombocytopenia ... • Bacterial endocarditis ... #nonpalpable #dermatology
Embolic Phenomena: Purplish discoloration of skin resulting from embolus to small toe. In this case, the
In this case, the ... Images #Clinical #Dermatology ... Embolic #Vegetation #Endocarditis ... #Janeway #Lesions ... #Photo #UCSDH
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
, pulmonary • Janeway ... hemorrhages • Petechiae ... Septic Emboli Cause ... Marantic (NTBE) Differential ... Treat underlying cause
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
and Differential ... , Pulmonary • Janeway ... hemorrhages • Petechiae ... Septic emboli cause ... #Differential #
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
platelet count (thrombocytopenia ... by bleeding (petechiae ... IDUS) • Immune Thrombocytopenia ... blood count with differential ... Syndromes #diagnosis #hematology