26 results
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic ... : - Catch-all term ... Ill-appearing, vital sign ... Immunocompromised #Diagnosis ... Targetoid #Algorithm #Differential
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Auto-Antibodies: - ANA ... ) 30-45% Differential ... Diagnosis and Lupus ... autoantibodies #signs ... #rheumatology
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Hypochloremia - Differential ... Diagnosis Algorithm ... - Gitelman SIGNS ... #Pathophysiology ... #Nephrology #Chloride
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Diagnosis Framework ... transfusion • HTN and ... • NSAIDs • ACE ... #nephrology
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
heliotrope, shawl sign ... Pattern: Proximal and ... Inflammatory #Myopathies #differential ... #diagnosis #comparison ... #rheumatology #
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Diagnosis Framework ... • NSAIDs • ACE ... #potassium #high ... #nephrology
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Features That Differentiate ... associated with rheumatologic ... Pericarditis #Symptoms #Signs ... #Presentation #comparison ... #Table #Diagnosis
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
chloride responsive and ... potassium acid ... urine #Algorithm #nephrology ... #differential # ... diagnosis
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... have fever - ACS ... WBC >100k, + lab signs ... Syndrome #TLS #diagnosis ... #management #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... function test, ANA ... (CVID, WAS), (neurologic ... not required in all ... #Workup #hematology