10 results
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
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
- Water - Pus ... Barre - ALS - Transverse ... myelitis • Hematology ... : - Anemia • ... #pulmonary
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
Myelodysplastic Disorder - Abnormal ... Pelger-Huet, Macrocytic anemia ... Myeloproliferation Disorder - Abnormal ... bcr-able (-) - Polycythemia ... Blood #Disorders #hematology
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Erythrocytosis - Polycythemia ... - Acquired Causes ... Hypoxia-driven: Cardiac/pulmonary ... ), TEMPI (VEGF normal ... Diagnosis #Algorithm #hematology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
an underlying cause ... Better call hematology ... JAK2 V617F) and MPNs ... exogenous, EPO levels: normal ... Algorithm #workup #hematology
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
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Most Common Causes ... Infection: TB, NTM, PNA ... plethora with polycythemia ... Nasal polyps and signs ... - BAR >1.0 is abnormal
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