9 results
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... Drug-induced AIHA - Abnormal ... • PCH • PNH ... immune-complex hemolytic anemia ... #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Causes Intravascular ... hemoglobinuria (PNH ... #Causes #differential ... #diagnosis #hematology ... #anemia
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
- Water - Pus ... Barre - ALS - Transverse ... myelitis • Hematology ... : - Anemia • ... #pulmonary
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Splenomegaly, Increased PMNs ... Cyanosis without Pulmonary ... Apnea • Chronic Pulmonary ... #Hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Disseminated Intravascular ... Treat primary cause ... - APTT < 1.5 x normal ... Coagulation #diagnosis #causes ... treatment #management #hematology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
decrease in most cases ... result in severe anemia ... reflection of intravascular ... immune hemolytic anemia ... Diagnosis #Workup #Hematology
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
the midbrain or pons ... heart failure, uremia ... punctuated by frequent sighs ... Occasional sighs ... Breathing #Patterns #Pulmonary
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... May develop in pts ... fluid (CSF) is abnormal ... tract, and often causes ... Differential #Diagnosis #Rheumatology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• CT: Halo sign ... Lymphadenopathy, CNS ... factor • May cause ... ), anemia, arthralgia ... Infections #HIV #AIDS #pulmonary