22 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 ... perfusion (Q) and ... hepatopulmonary syndrome ... #Differential #Diagnosis
Stridor - Differential Diagnosis Framework:
High-pitched, variable respiratory sound

ETIOLOGIES:
Infectious:
 • Retropharyngeal abscess
 • Acute epiglottitis
 • Peritonsillar
- Differential Diagnosis ... High-pitched, variable respiratory ... Thoracic trachea and ... #causes #pulmonary ... #airway #physicalexam
Platypnea-Orthodeoxia Syndrome on Physical Exam
The case of a patient with a diagnosis of cirrhosis and platypnea-orthodeoxia
Physical Exam The case ... patient with a diagnosis ... observe how the respiratory ... #PhysicalExam # ... #pulmonary
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Acute Respiratory ... Distress Syndrome ... leading to increased pulmonary ... there is no clear cause ... Summary #CheatSheet #Diagnosis
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
Breathing Normal The respiratory ... hyperventilation syndrome—a ... Breathing #Patterns #Pulmonary ... Abnormalities #Abnormal #Diagnosis ... #PhysicalExam
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS of Respiratory ... Hypoventilation Syndrome ... Left Shunt - Anatomic ... Hepatopulmonary Syndrome ... #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
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Pulmonary Pathology ... pleura in severe cases ... severity Acute Respiratory ... Distress Syndrome ... #differential #diagnosis
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
ABG And BMP Normal ... - Differential Diagnosis ... D-lactate (short bowel syndrome ... Classically” noted with pulmonary ... Interpretation #Diagnosis