28 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... " ± Horner Syndrome ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... obesity-hypoventilation syndrome ... : Interstitial lung ... hepatopulmonary syndrome ... #Differential #Diagnosis
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Pulmonary Pathology ... and Associated ... pleura in severe cases ... Respiratory Distress Syndrome ... #differential #diagnosis
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Respiratory Distress Syndrome ... leading to increased pulmonary ... consistent with pulmonary ... there is no clear cause ... Summary #CheatSheet #Diagnosis
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... Left Shunt - Anatomic ... Hepatopulmonary Syndrome ... , Interstitial Lung ... #differential #diagnosis
Lung Findings on Physical Exam
Crackles:
 • Short, discontinuous, sounds mostly heard during inspiration
 • Caused by
Lung Findings on ... alveoli as seen in pulmonary ... words louder #Lung ... #PhysicalExam # ... diagnosis #signs
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
• Mounier-Kuhn syndrome ... in the adjacent lung ... of the affected lung ... parenchyma Diagnosis ... #differential #diagnosis
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... • Sciatica • Tarsal ... Hair loss- feet and ... #differential #diagnosis ... extremity #msk #physicalexam
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Differential Diagnosis ... - Cirrhosis Syndrome ... carcinoma of the lung ... hemorrhage) - Pulmonary ... #Table #Causes
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Syndromes - OnePager ... Renal Syndromes ... Goodpasture's cause ... sparing of the lung ... #Renal #Syndromes