28 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... disease (COPD) • Hypoxia ... #Multifocal #Atrial ... Cardiology #Diagnosis #ECG ... #EKG #Management
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Differential Diagnosis Algorithm ... Arterial Hypertension ... Defect ** • Atrial ... #Causes #Pulmonary
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 ... (e.g low cardiac ... #diagnosis #causes
Flecainide Toxicity on ECG

70 year old patient with chronic atrial fibrillation on an antiarrhythmic presented with
Flecainide Toxicity on ECG ... patient with chronic atrial ... fibrillation on ... Flecainide #Toxicity #ECG ... #EKG #Electrocardiogram
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... : - Atrial fibrillation ... and atrial flutter ... Digoxin effect on ECG ... Electrocardiogram #EKG
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
EKG in Acute Pulmonary ... common finding) • Atrial ... also a result of atrial ... in relation to ECG ... #EKG #Pulmonary
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
convert - Possible atrial ... flutter, ectopic atrial ... Control rate (e.g ... possible atrial ... Control rate (e.g
Causes of Ischemic Stroke - Differential Diagnosis Algorithm
Thrombosis - Atherosclerosis, Arterial Dissection, Fibromuscular Dysplasia
 - Large
Causes of Ischemic ... Atherosclerosis, Arterial ... Valvular • Atrial ... fibrillation ... infarction • Pulmonary
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
ARRYTHMIA • ATRIAL ... FIBRILLATION ... • ATRIAL FLUTTER ... TACHYCARDIA • ATRIAL ... DISEASE • HYPOXIA
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
High altitude (eg ... direction leads to hypoxemia ... Intrapulmonary shunting (eg ... intracardiac shunting (eg ... , atrial or ventricular