31 results
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops
First-line therapies for Asthma, Asthma-COPD Overlap and COPD

The diagnosis of COPD, asthma, and ACO initially requires
Asthma, Asthma-COPD ... Overlap and COPD ... The diagnosis of COPD ... symptoms, and spirometry ... ACO = asthma-COPD
Flow Volume Loops - Common Patterns
A. Normal
B. Emphysema
C. Unilateral Main Stem Bronchial Obstruction
D. Fixed Upper Airway
Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Asthma vs COPD Presentation ... Variably abnormal spirometry ... bronchodilator, Spirometry ... between attacks COPD ... Persistently abnormal spirometry
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Differential Diagnosis Table ... AIHA (48-70%) Cold ... HA (paroxysmal cold ... hemoglobinuria) • Cold ... Differential #Diagnosis #Table
Cardiogenic Shock Forrester Classification Table and Mortality

- Warm & Dry (Forrester Class I)

- Warm & Wet
Classification Table ... Class II) - Cold ... Class Ill) - Cold ... CHF #Diagnosis #Table
Shock Classification
Shock Definition: State of cellular and tissue hypoxia due to: reduced oxygen delivery, increased oxygen
brain or spinal cord ... CARDIOGENIC (Cold ... OBSTRUCTIVE (Cold ... HYPOVOLEMIC (Cold ... warm #wet #dry #table
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
e.g. pneumonia, COPD ... Differential #Diagnosis #Table
Daliresp (Roflumilast) 
Indication: Reduce risk of COPD exacerbations 
Drug Class: Selective Phosphodiesterase-4 (PDE4) Inhibitor 
GOLD 2019
Reduce risk of COPD ... Initiate if severe COPD ... Dosing: 250 mcg tablet ... daily The 2019 COPD ... the treatment of COPD
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
, Acute spinal cord ... finding in spinal cord ... differential #diagnosis #table