11 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... Commonly caused ... nerve at fibular neck ... dysaesthesia, neurogenic ... #physicalexam
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
dissociation: 3rd deg ... block, or, as this case ... #PhysicalExam # ... JVP #Clinical #Video ... #Cardiology
Kussmaul's sign in Constrictive Pericarditis 

A 50-year-old woman with a remote history of mediastinal lymphoma (age
the underlying diagnosis ... Causes = RV failure ... Kussmauls #Sign #PhysicalExam ... Video #Clinical #Neck ... Pericarditis #Cardiology
Kussmaul's Sign and Friedreich's Sign on Neck Examination

A middle-aged M with unknown PMH presents with dyspnea.
Friedreich's Sign on Neck ... Most likely diagnosis ... the underlying cause ... #JVP #PhysicalExam ... Clinical #Video #Cardiology
Kussmaul's Sign on Physical Exam

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

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What’s the diagnosis ... and other rarer causes ... Kussmauls #Sign #physicalexam ... clinical #video #jvp ... #cardiology #neck
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
are enough to diagnose ... the case as Typical ... Awaves #AVNRT #PhysicalExam ... #JVP #Cardiology ... #Neck #Frog #Sign
Giant A waves caused by pulmonary HTN. There are two clearly discernible descents (X and Y)
Giant A waves caused ... have elevated JVP ... the underlying diagnosis ... #Neck #PhysicalExam ... Clinical #Video #Cardiology
Oncologic Emergencies - Differential Diagnosis Framework

HEMATOLOGIC ONCOLOGIC EMERGENCIES:
Hyperviscosity Syndrome:
 • Spontaneous bleeding
 • Shortness of breath
- Differential Diagnosis ... • Early death Neutropenic ... paradoxus • Beck ... coma SIADH: • Hyponatremia ... #differential #diagnosis
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
pain or spasm - legs ... Dehydration - Loss of sodium ... conditions - Neurogenic ... heat illness → Hypernatremia ... #causes #stroke
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Causes include: ... balance • Flat neck ... respiratory distress syndrome ... /eclampsia • Neurogenic ... #cardiology