31 results
Kerion
Raised, boggy lesion with heaped up purulent nodules 
Caused by host's response to a fungal ringworm
purulent nodules Caused ... fungal ringworm infection ... Hair loss • Fever ... Lymphadenopathy Treatment ... #Diagnosis #Management
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Phagocytosis of blood ... • Clinical: fever ... Drugs, Unknown cause ... Treatment: • ... #management #treatment
Hantavirus
Pathogen: Hantavirus - Rodents are the primary reservoir
Transmission:
 • Shed in the urine, feces, saliva of
common route of infection ... • Prodrome: fever ... +/- diarrhea Diagnosis ... ventilation • ECMO, HD ... #management #treatment
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... - Differential Diagnosis ... Red Flags: • Fever ... ITP - APLS - HIT ... #dermatology #physicalexam
C.diff - Clostridioides Difficile Infection (CDI) - Diagnosis and Management - GrepMed Handbook

Clinical Presentation + Progression:
Clostridioides Difficile Infection ... and Management ... Diarrhea (>3 BM/d) ± blood ... mucus, Abd pain, Fever ... #diagnosis #management
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
of high parity blood ... Pathophysiology: 2 hit ... without other cause ... : 33% • Treatment ... #diagnosis #comparison
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... : • 80% have fever ... anemia • Sputum/Blood ... #differential #causes ... #management #treatment
Aplastic Anemia - Overview

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

What?
• Aplastic anemia
Presentation: • Fever ... and petechiae Causes ... aplastic anemia Treatment ... result from low blood ... #diagnosis #management
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
to Joint Pain - Diagnostic ... acute rheumatic fever ... tumor • Non-bloody ... Like in this case ... #Joint #Pain #MSK
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
S/sx: Fever, flank ... Causes purpura & ... Infection - Infection ... #Transfusion #diagnosis ... #management #hematology