38 results
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
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
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... - Hemolytic anemia ... deficiencies - PNH ... Differential #Diagnosis #hematology ... #rheumatology #
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
replicates within CNS ... invade URT & via hematologic ... CNS and hematologic ... that persists as skin ... genital warts, abnormal
Physiologic Skin Changes in Pregnancy - Differential Diagnosis Algorithm

Face
 • Melasma
Abdomen
 • Linea Nigra 
Hormone induced
Physiologic Skin ... • Chadwick's sign ... #SkinChanges #normal ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Differentiating Features Between Central and Peripheral Cyanosis

Mechanism - Arterial destauration
Sites - Skin, mucous membrane of oral
Oxygen therapy - Pulmonary ... cause can improve ... Sites - Only skin ... blood gas - pO2 normal ... Peripheral #Comparison #Signs
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
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
manifestations Skin ... reticularis Blood: Anemia ... inflammation tends to cause ... interstitial lung disease/pulmonary ... pathophysiology #signs
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
Headaches • Pale skin ... and petechiae Causes ... syndrome (MDS) (normal ... megakaryocytes and a normal ... #oncology #hematology