10 results
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Differential Diagnosis Algorithm ... Obstruction • Asthma ... Pleural Abnormalities ... #Causes
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Differential Diagnosis Algorithm ... Airway Disease (Asthma ... , COPD) • Vascular ... #Causes #Pulmonary
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
Abnormalities in ... has several causes ... asthma, chronic ... bronchitis, and COPD ... #Pulmonary #Abnormalities
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
20/min, shallow breathing ... > 20/min, deep breathing ... Pulmonary Causes ... Tachypnea: • Asthma ... • COPD • Pneumonia
COPD phenotypes:  Blue Bloaters vs. Pink Puffers
The two most stereotypical forms of COPD are pink
increased work of breathing ... is similar to asthma ... increased work of breathing ... airflow obstruction causes ... in the work of breathing
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Differential Diagnosis Algorithm ... Hypoxemia: • COPD ... Sleep-Disordered Breathing ... #Causes
Pulse Abnormalities - Differential Diagnosis Algorithm
Unequal/DeIayed:
 • Obstructive arterial disease (ie. Atherosclerosis)
 • Aortic dissection
 •
Pulse Abnormalities ... Differential Diagnosis Algorithm ... Exacerbation of Asthma ... Differential #Diagnosis #Algorithm ... #causes
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Response Management Algorithm ... pneumothorax, COPD ... /asthma • Pleural ... 12 / shallow breathing ... Diagnosis #Management #Algorithm
An Algorithm for the Diagnosis of Wheezing and Stridor

Stridor: Louder, constant-pitch sound over central airways
Wheezing: Musical
An Algorithm for ... Bronchoconstriction: Asthma ... , COPD, Anaphylaxis ... Stridor #Noisy #Breathing ... differential #diagnosis #algorithm
Causes of Chronic Cough - Differential Diagnosis Algorithm

Abnormal Chest X-Ray:
 • Chronic Infection (Eg. Fungal, Tuberculosis)
Causes of Chronic ... Differential Diagnosis Algorithm ... FVC < LLN): • Asthma ... • COPD Upper ... #Causes #PrimaryCare