27 results
Autoimmune Hemolytic Anemia (AIHA)

WARM AHA
- Primary - Idiopathics
- Secondary
Infectious
 • Viral- HIV, EBV, HCV, HEV
 •
• Rheumatoid arthritis ... • Antibiotics- eg ... /antipyretics- e.g ... Anticancer agents- eg ... ipilimumab • Others- eg
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint Pain - Differential ... • Reactive (e.g ... Enteropathic (e.g ... Rheumatic Fever Acute ... Enteropathic (e.g
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
experienced briefly (e.g ... joint trauma (e.g ... joint alterations (e.g ... subchondral bone (e.g ... derangements (e.g
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
infiltration (e.g ... Marrow suppression (e.g ... Index > 3: • Acute ... Intrinsic RBC defects (e.g ... #differential #
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
(Ischemia) - Acute ... • Sickle Cell Anemia ... Septic Embolism (e.g ... Fat Embolism (e.g ... Mycotic Aneurysm (e.g
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Volume (MCV) - Differential ... • Secondary (e.g ... Normal RBCs • Acute ... #Differential #
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Thrombocytosis - Differential ... Thrombocytosis): • Acute ... malignancies • Anemia ... inflammatory disorders (e.g ... Thrombocytosis #Differential
Diffuse Acute Abdominal Pain (<72 hours) - Differential Diagnostic Algorithm
Look for surgical abdomen
Upper quadrant: R/O cardiac,
Diffuse Acute Abdominal ... (<72 hours) - Differential ... Metabolic disease (e.g ... • Sickle cell anemia ... syndrome #Diffuse #Acute
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
to Headaches - Differential ... symptoms and signs (e.g ... CNS infection (e.g ... ) • Temporal arteritis ... • Acute angle
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue - Differential ... Hematologic • Anemia ... • Rheumatoid Arthritis ... • Drug Abuse (e.g ... Chronic #Fatigue #Differential