32 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Arterial Hypertension ... Defect ** • Atrial ... Hypoventilation Syndrome ... Diagnosis #Algorithm #Causes
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... disease (COPD) • Hypoxia ... • Pulmonary hypertension ... #Multifocal #Atrial ... Tachycardia #MAT #Cardiology
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
oxygen dissolved in arterial ... hemoglobin in arterial ... oxygen content of arterial ... #pulmonary #differential ... #diagnosis #causes
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
ARRYTHMIA • ATRIAL ... FIBRILLATION • ATRIAL ... PARKINSON WHITE SYNDROME ... TACHYCARDIA • ATRIAL ... DISEASE • HYPOXIA
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
EKG in Acute Pulmonary ... evaluating for other causes ... common finding) • Atrial ... also a result of atrial ... #EKG #Pulmonary
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
obesity-hypoventilation syndrome ... direction leads to hypoxemia ... hepatopulmonary syndrome ... , atrial or ventricular ... Respiratory #Failure #hypoxia
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
convert - Possible atrial ... flutter, ectopic atrial ... Rhythm: • Probable atrial ... fibrillation or possible atrial ... Treatment #management #cardiology
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
Stroke Volume / Arterial ... of developing atrial ... mmHg developed atrial ... Acute Coronary Syndrome ... #cardiology
Right-Sided Heart Failure - Differential Diagnosis Algorithm
Cardiac Causes - Rule out Left-Sided Heart Failure (Most Common):
Algorithm Cardiac Causes ... Causes: - Parenchyma ... Respiratory Distress Syndrome ... Arterial Hypertension ... #HeartFailure #Cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
tachycardia (2) Atrial ... (3) SVTs - atrial ... (3) Multifocal atrial ... (2) Sick Sinus Syndrome ... #EKG #diagnosis