32 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... plateletcount), peripheral blood ... smear, HIV/HCV ... changes), high MCV anemia ... #Workup #hematology
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
type ± C3d • Blood ... smear: Differential ... 2) LOOK FOR a cause ... #diagnosis #management ... #treatment #rheumatology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Diagnosis Algorithm Blood ... Normochromic RBCs on Smear ... Spherocytes on Smear ... Diagnosis #Algorithm #Causes ... #Hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Algorithm Normal Blood ... Smear • Drugs ... Diagnosis #Algorithm #Causes ... #Hematology
Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
(RBC = red blood ... ordering a peripheral smear ... the most likely cause ... recovery also causes ... of the initial work-up
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
- Tamponade Pulmonary ... Water - Pus - Blood ... Transverse myelitis • Hematology ... : - Anemia • ... #pulmonary
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Peripheral Smear ... → Refer to hematology ... for workup, including ... : Acute blood loss ... hemolysis, deficiency anemia
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
deep breathing Pulmonary ... Tachypnea: • Pulmonary ... effusion/Tamponade Hematologic ... : • Anemia ... Hypovolemic shock (blood
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... Peripheral Smear ... Workup: • Complete ... smear • Bone marrow ... Syndromes #diagnosis #hematology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
result in severe anemia ... of Peripheral blood ... smear - Shows schistocytes ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup ... #Hematology