458 results
Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Annotated on Chest CT ... Right Lung: • ... radiopaedia.org/cases ... bronchopulmonary-segments-annotated-ct ... Segments #Chest #CT
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Dyspnea (underlying lung ... refer + order CT ... History of cancer, lung ... Diagnosis #Algorithm #causes
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
abberancy - N B Afib ... DANGER (4) Vfib ... Irregular (1) A fib ... AV block 1º - long ... 200ms from longer pause
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
whether AF is cause ... Tx: Underlying cause ... WPW vs PMVT vs AFib ... known QRS • AFib ... Narrow #Irregular #causes
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
• Non-contrast CT ... Evaluate underlying cause ... +/- TEE (high Afib ... Defined if 1) CT ... Ruled out other causes
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Sign on Chest CT ... leading into a lung ... infarction, mets to the lung ... #Vessel #Sign #CT ... #Lung #Pulmonary
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Tachyarrhythmia: • VT/VFib ... • AFib/AFlutter ... Diagnosis #Algorithm #causes
Causes of Cough and Hemoptysis
Acute Inflammation 
 - Laryngitis 
 - Tracheobronchitis 
 - Mycoplasma and
Causes of Cough ... Tuberculosis - Lung ... Cancer of the Lung ... , Chemicals, Gases ... #Differential #Causes
Ground Glass Opacities on Lung CT - Pathophysiology
Ground glass opacity lung is denser (whiter) than normal
Glass Opacities on Lung ... CT - Pathophysiology ... glass opacity lung ... whiter) than normal lung ... often, GGO is caused
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Sign on Chest CT ... sarcoidosis, mets to the lung ... #Halo #Sign #CT ... #Lung #Pulmonary