46 results
Osborn (J Wave)

Etiology 
• Hypothermia (below 320C / SOOF) 
• Normal variant 
• Hypercalcemia 
• Neurological
correlates with degree ... JWave #Diagnosis #Differential ... #Cardiology #EKG ... #ECG #Hypothermia
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Thrombocytopenia - Differential ... Toxic Damage (e.g ... Displacement (e.g ... Thrombocytopenia #Differential ... Algorithm #Causes #Hematology
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Splenomegaly - Differential ... • Thrombus (e.g ... Myeloproliferative disorders (eg ... Spleen #Enlarged #Differential ... Algorithm #Causes #Hematology
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... see below), 1st degree ... Syncope #Syndromes #ECG ... #EKG #Checklist ... electrocardiogram #differential
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
at a particular degree ... infiltration (e.g ... Marrow suppression (e.g ... Production #Index #hematology ... #anemia #differential
Liver Mass - Differential Diagnosis Algorithm
Benign Cystic 
 • Cyst
 • Polycystic Liver Disease
 • Caroli's
Liver Mass - Differential ... • Metastases (e.g ... #Liver #Mass #Hepatology ... #Differential #
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Neutrophils - Differential ... Solid Tumour (e.g ... #Neutrophils #Differential ... Algorithm #Causes #Hematology
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
width: Measures degree ... of substrate (e.g ... insufficient for degree ... Diagnosis #Workup #Hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Thrombocytosis - Differential ... inflammatory disorders (e.g ... Thrombocytosis #Differential ... Diagnosis #Causes #hematology
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Immunosuppression (e.g ... involvement Differential ... Lymphomas • Other hematologic ... oncology #diagnosis #differential ... #hematology