20 results
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
younger pts) Differential ... Symptoms: High fevers ... • Diagnostic Test ... Donath-Landsteiner test ... hemolytic #anemia #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia - Differential ... Agglutination - Cold agglutinins ... bartonella (oroya fever ... Diagnosis #Algorithm #workup ... #hematology #testing
Approach to the Hypercoagulable State
Arterial thromboembolism
→ Cardiac rhythm monitoring, Echocardiogram, Vascular imaging
→ Test for APS, particularly
rhythm monitoring, Echocardiogram ... Vascular imaging → Test ... - No other workup ... Hypercoagulable #Workup ... #hematology #diagnosis
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Anemia #Algorithm #Differential ... #Causes #Workup ... #Hematology #Diagnosis ... GrepMed Recommended Text
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... disease - Renal ultrasound ... Duplex Doppler ultrasound ... #Hypertension #Differential ... Causes #Screening #Workup
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... Diagnosis and Workup ... K), H. pylori test ... thyroid function test ... #hematology
Chronic Diarrhea - Workup
Osmotic:
 • Consider food diary and trial avoiding certain foods or meds, Consider
Chronic Diarrhea - Workup ... hydrogen breath test ... Abdominal imaging (CT, ultrasound ... Chronic #Diarrhea #Workup ... #diagnosis #differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... Red Flags: • Fever ... deficiency Work ... Fecal occult blood test ... • Abdominal ultrasound
Possible Algorithm for Workup of Fever of Unknown Origin (FUO)
Tier 1 Workup:
 • CBC, comprehensive metabolic
Algorithm for Workup ... of Fever of Unknown ... • Additional tests ... Neuroimaging • Echocardiogram ... FUO #Algorithm #Fever
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
present both at rest ... improves quickly with rest ... Joint #Pain #MSK #rheumatology ... #approach #workup ... #differential #