3345 results
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
breathing Pulmonary Causes ... • Asthma • COPD ... PVFM) Cardiac Causes ... Hematologic Causes ... acidosis of any cause
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
your grand rounds/cases ... H. influenzae (COPD ... Pseudomonas — COPD ... Legionella spp (COPD ... #Microbiology #Causes
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... • Asthma • COPD ... Pleural Thickening/Masses ... Pneumonia • ARDS • COPD ... Diagnosis #Algorithm #Causes
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
Cardiovascular Causes ... Tamponade Pulmonary Causes ... - Asthma - COPD ... syndrome Other Causes ... differential #diagnosis #causes
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
average settings • Causes ... gas equation • Causes ... • Most common cause ... to hypoxemia • Causes ... Pneumonia, asthma, COPD
Gerstmann Syndrome
1) Finger agnosia - Inability to name their own fingers, affecting both sides
2) Right-left confusion
still able to copy ... Causes: Stroke ... (main cause), Traumatic
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Hypoxemia: • COPD ... Diagnosis #Algorithm #Causes
Causes of Orthopnea - Differential Diagnosis Framework

 • Fear and Anxiety
 • Pleural Effusion
 • Ascites
Causes of Orthopnea ... • Ascites • COPD ... Differential #Diagnosis #Causes
Causes of Secondary IgA Nephropathy - Differential Diagnosis Algorithm
 • GI disorders: Celiac disease, Crohn's disease,
Causes of Secondary ... Pulm disorders: COPD ... #Nephropathy #Causes
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... organizing pneumonia (COP ... differential #pulmonary #causes