31 results
Atrial Fibrillation - Diagnosis, Causes, Presentations
Causes (PIRATES):
 - Pulmonary embolism 
 - Ischemia (cardiac) 
 -
Atrial Fibrillation ... - Diagnosis, Causes ... - Pulmonary embolism ... prezapour #Atrial #Fibrillation ... #AFib #Diagnosis
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
bradycardia, a fib ... with slow ventricular ... #ECG #electrocardiogram ... #cardiology #diagnosis ... #clinical
Coronary Artery Embolism - Etiology and Scoring
Etiology:
 • Direct: Clot (LV thrombus, LAA Thrombus), Valve (Vegetation,
Coronary Artery Embolism ... Thrombus), Valve (Vegetation ... - Most Common Cause ... vessels • Atrial Fibrillation ... #diagnosis #differential
Osborn (J Wave)

Etiology 
• Hypothermia (below 320C / SOOF) 
• Normal variant 
• Hypercalcemia 
• Neurological
Medications • Ventricular ... fibrillation ... Clinical • Most ... Osborn #JWave #Diagnosis ... #ECG #Hypothermia
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
high index of clinical ... is required for diagnosis ... false-negative results: vegetation ... , Vegetations often ... in up to 30% of cases
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential Diagnosis ... (AFL), Atrial Fibrillation ... Fibrillation (V-Fib ... #Differential #Diagnosis ... #Causes #cardiology
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
Embolism The sensitivity ... evaluating for other causes ... ., A-Fib also a ... in relation to ECG ... #diagnosis #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... abberancy - N B Afib ... 200ms from longer pause ... Distal AV block - ventricular ... #EKG #diagnosis
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
- Differential Diagnosis ... thrombus - atrial fibrillation ... - Left ventricular ... coagulation and other causes ... #differential #diagnosis
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
repolarization causes ... to 12.0 mEq/L, ventricular ... fibrillation and ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes