18 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... smear, HIV/HCV testing ... PLT in selected cases ... changes), high MCV anemia ... Differential #Diagnosis #Causes
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Hemolysis - Diagnostic Algorithm ... and Causes Increased ... Urobilinogen • + urinary ... #Algorithm #Differential ... #Causes #Workup
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... Testing Algorithm ... evaluation or workup ... for secondary causes ... eosinophilia (common causes
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
Pancytopenia - Workup ... Consumption Disorders ... Eating disorders ... Acquired Aplastic Anemia ... Primary hematological
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
Pancytopenia - Workup ... Consumption Disorders ... Eating disorders ... Acquired Aplastic Anemia ... Primary hematological
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Myelogenous Leukemia • Primary ... • Rheumatic disorders ... Iron deficiency anemia ... #Causes #Hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Differential Diagnosis Algorithm ... • RBC Membrane Disorder ... RBC Metabolism Disorder ... #Classification ... #Causes #Hematology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
inhibitors - Primary ... Excessive GI losses ... Familial renal Mg wasting ... Magnesium #Table #Classification ... #Causes #Workup
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
Clinical Classification ... Chronic hemolytic anemia ... Others: tumoral ... Hypertension #PHTN #Classification ... #Differential #Causes
Hyperuricemia - Differential Diagnosis Algorithm
Primary - Over-production
     • Increased turnover of nucleotides
Primary
Primary - Over-production ... of nucleotides Primary ... Lymphoproliferative Disorders ... - Hemolytic Anemia ... endocrinology #causes