88 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Secondary to chronic lung ... • Oxygen • Treatment ... Cardiology #Diagnosis #ECG ... #EKG #Management
Anaphylaxis: Signs and Symptoms
Anaphylaxis: when any egg of three conditions is met:
1. Acute onset of skin/mucosal
Anaphylaxis: Signs and Symptoms ... Anaphylaxis: when any egg ... Neurological Compromise (e.g ... Cardiac Compromise (e.g ... #Anaphylaxis #pathophysiology
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... ectopic atrial pacemaker ... leads rsr'), V-pacemaker ... 360 ms: ↑ca - Long ... #Approach #ECG
Lung Abscess
Microbiology:
 • Polymicrobial 
 • Anaerobes (most common) 
Clinical: 
 • Indolent symptoms that evolve
Lung Abscess Microbiology ... • Indolent symptoms ... , hemoptysis Treatment ... • Carbapenem (e.g ... meropenem) #Lung
Pericardial Tamponade
Beck's Triad 
1. Hypotension 
2. Jugular venous distension 
3. Muffled heart sounds 
Patient will be
Jugular venous distension ... paradoxus - ECG ... collapse of RV - Treatment
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• No Treatment ... : Pacemaker 3rd ... : Pacemaker - Will ... summary #Diagnosis #EKG ... electrocardiogram #ecg
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... AV block 1º - long ... - ventricular pacemaker ... bradyarrhythmia #ECG ... #EKG #diagnosis
Cardiac Event Monitoring Devices - Compared
Ambulatory ECG (Hotter):
 • Advantages: Continuous recording, records asx events, all
Compared Ambulatory ECG ... events, all (most) ECG ... needs to keep symptom ... needs to keep symptom ... Advantages: Continuous long
A wandering atrial pacemaker, (WAP), is an atrial arrhythmia that occurs when the natural cardiac pacemaker
wandering atrial pacemaker ... identifiable on ECG ... rarely causes symptoms ... or requires treatment ... Clinical #MedStudent #EKG
High Output Heart Failure - Pathophysiology and Differential Diagnosis
Obesity - Systemic Vasodilation, Vasoactive Adipokines
Arteriovenous Fistula -
Heart Failure - Pathophysiology ... - Congenital (e.g ... HHT), Acquired (e.g ... Vasodilation Lung ... HeartFailure #CHF #Pathophysiology