17 results
Serious Bacterial Illness (SBI):
1) UTI and pyelonephritis
Most common cause of SBI
Accounts for 3-8% of uncharacterized fevers
Female
pyelonephritis Most common cause ... uncharacterized fevers ... Consider BCx, CSF evaluation ... #Peds #EM #Classification ... #Ddxof
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... disorders • Celiac ... disease Tissue ... Iron deficiency anemia ... #Hematology
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
- Differential Diagnosis ... have had prior evaluations ... did not yield a diagnosis ... Red Flags: • Fever ... bowel syndrome • Celiac
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... PT, aPTT(liver disease ... changes), high MCV anemia ... - Bone marrow evaluation ... #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... - Hemolytic anemia ... mountain spotted fever ... #Differential #Diagnosis ... #nonpalpable #dermatology
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
Rapid onset of fever ... chronic liver disease ... immunosuppressive meds ... University Infectious Diseases ... rash #cellulitis #dermatology
Algorithm for the Evaluation of Kawasaki and Incomplete Kawasaki Disease:
Diagnosis
* Fever >5d
* Criteria (4/5)
  -
Algorithm for the Evaluation ... : Diagnosis * ... Fever >5d * Criteria ... #Peds #Pediatrics ... Workup #Algorithm #Ddxof
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Differential Diagnosis ... • Autoimmune diseases ... tachycardia or fever ... count on initial evaluation ... neutrophil #WBC #CBC #hematology
Renal Cell Carcinoma (RCC) - Diagnosis and Management Summary
Clinical features - Classic triad (flank pain, hematuria,
Carcinoma (RCC) - Diagnosis ... Anemia (common) ... flank pain (CLOT COLIC ... night sweats, fever ... with contrast Evaluation
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... early localized disease ... called "Bazin's disease ... #differential #diagnosis ... #dermatology #compared