38 results
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... EKG of the same ... rapid cannon a waves ... excludes other differentials ... JVP #Cardiology #Neck
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Segment Elevation - Differential ... should be discordant ... QRS complex Pulmonary ... Segment #Elevation #differential ... #ekg #electrocardiogram
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Hemolysis: • Mechanical ... (usually IgG) (e.g ... (usually IgM) (e.g ... Extravascular #Causes #differential ... #diagnosis #hematology
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Noncardiogenic Pulmonary ... Edema - Differential ... balance • Flat neck ... level <100 pg/ml EKG ... #edema #NCPE #differential
Causes of Localized Lymphadenopathy - Differential Diagnosis Algorithm
Cervical:
 - Anterior
     • Infection
Lymphadenopathy - Differential ... • Infection (e.g ... Disease • Head/Neck ... Lymphadenopathy #LAD #Differential ... Algorithm #Causes #Hematology
Volume Assist/Control Mechanical Ventilation
How does this mode work?
 • Delivers a set volume of air with
Assist/Control Mechanical ... limited mode When should ... - Nick Mark ... assistcontrol #mechanical ... #criticalcare #pulmonary
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Lung Nodule - Differential ... Benign Neoplasm (eg ... Melanoma, Head & Neck ... #Lung #Nodule #Differential ... Algorithm #Causes #Pulmonary
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Structural or Mechanical ... joint trauma (e.g ... derangements (e.g ... Joint #Pain #MSK #rheumatology ... approach #workup #differential
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Causes of Dyspnea - Differential ... Diagnosis Pulmonary ... Pleural effusion, Pulmonary ... Valvular disease Head/Neck ... Chronic #Causes #Differential
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
stagnant hypoxia (e.g ... carrying capacity (e.g ... Nick Mark MD @nickmmark ... Hypoxemia #summary #pulmonary ... #differential #