13 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
, an algorithmic ... in vasculitic diseases ... disseminated gonococcal disease ... or purpuric rash ... Purpural #Purpuric #Rash
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
- Diagnostic Algorithm ... commonly renal and pulmonary ... Dermatology #Rash ... #Differential # ... Ddxof
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic ... erythroderma, petechiae ... Maculopapular #Scaling #Color ... #Differential # ... Ddxof
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
arthritis, Skin rash ... fraction < 20% Differential ... hepatitis • Pulmonary ... #diagnosis #management ... #treatment #rheumatology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Diagnosis Algorithm ... disorders • Celiac disease ... effect following treatment ... following EtOH induced thrombocytopenia ... #Diagnosis #Algorithm
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Manifestations of DIC: • Petechiae ... • Severe Liver Disease ... #Coagulation #diagnosis ... #causes #treatment ... #management #hematology
Shock - Differential Diagnosis Framework
 - MAP <65. SBP <90, drop in SBP > 40
 -
Shock - Differential ... , Severe Valve Disease ... • Obstructive: Pulmonary ... #algorithm #treatment ... #management
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
mucosal bleeding (Petechial ... or purpuric rash ... Treatment: • Corticosteroids ... #Management #Hematology ... #Rheumatology
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
Headaches • Pale skin color ... infections/fevers • Thrombocytopenia ... bleeding, and petechiae ... aplastic anemia Treatment ... #diagnosis #management
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Cerebral > Splenic, pulmonary ... hemorrhages • Petechiae ... Marantic (NTBE) Differential ... Regurgitation • Colon ... #management #cardiology