69 results
Shock - Pathophysiology 
Inadequate tissue perfusion to meet O2, nutrient requirements
1. Distributive Shock
2. Hypovolemic Shock
3. Cardiogenic
perfusion to meet O2 ... differential #diagnosis #algorithm ... #causes
Low O2 saturation that does not respond to supplemental O2
- Key diagnostic feature (sat < 85%
Low O2 saturation ... to supplemental O2 ... pulse oximeter causes ... a falsely low O2 ... Concentrations #Signs
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Differential Diagnosis Algorithm ... Erythropoietin, O2 ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Factors that May Affect Fetal Oxygenation - Differential Diagnosis Algorithm

Excessive Uterine Activity:
 • Hyperstimulation
 • Placental
Differential Diagnosis Algorithm ... Decreased Fetal O2 ... Maternal Arterial O2 ... Differential #Diagnosis #Algorithm ... #Causes #Obstetrics
Pemberton's Sign caused by a Retrosternal Thyroid Goiter

Elevating the arms causes the previously flat neck veins
Pemberton's Sign ... caused by a Retrosternal ... Elevating the arms causes ... #Pembertons #Sign ... PhysicalExam #clinical #video
Kernig's Sign in Meningitis

Resistance or pain elicited by passive extension of the knees, thought to be
Kernig's Sign in ... thought to be caused ... #Kernigs #Sign # ... Meningitis #clinical #video
Kussmaul's sign in Constrictive Pericarditis 

A 50-year-old woman with a remote history of mediastinal lymphoma (age
Kussmaul's sign ... evaluate her JVP (video ... Causes = RV failure ... pericarditis (this case ... #PhysicalExam #Video
Brudzinski's Sign in Meningitis

Severe neck stiffness causes the patient's knees and hips to flex when the
Brudzinski's Sign ... neck stiffness causes ... #Brudzinskis #Sign ... Meningitis #clinical #video
Brudzinski's Sign in Meningitis

Severe neck stiffness causes the patient's knees and hips to flex when the
Brudzinski's Sign ... neck stiffness causes ... #Brudzinskis #Sign ... Meningitis #clinical #video
Kussmaul's Sign on Physical Exam

What’s the diagnosis?
Severe biventeicular failure with + Kussmaul sign! NICM. No constriction!

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Kussmaul's Sign ... with + Kussmaul sign ... Kussmaul's sign ... and other rarer causes ... physicalexam #clinical #video