21 results
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... PT and/or aPTT ... Pre-analytical cause ... intravascular coagulation (DIC ... #Prolonged #Causes
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
PT and aPTT If ... the PT and the aPTT ... are both prolonged ... intravascularcoagulation (DIC ... #Prolonged #Causes
AVJ Impulse/Rhythm Disturbance in one slide
 • Impulse/Rhythms Originating in the AV Junction
 • Reentrant (reciprocal
Originating in the AV ... Junction • Reentrant ... cardiology #diagnosis #ekg ... #ecg #electrocardiogram
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Second degree AV ... interval (normal or prolonged ... of the block (AV ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Visual Guide to AV ... Nodal Reentrant ... Pathophysiology - Dual AV ... - In most case ... ECG usually shows
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Thrombocytopenia • Prolonged ... PT/PTT • Low ... Treat primary cause ... INR < 2.3 - APTT ... Coagulation #diagnosis #causes
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Digoxin effect on Electrocardiogram ... - Decreases AV ... nodal conduction Uses ... Digoxin effect on ECG ... Digoxin #effect #Electrocardiogram
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
conduction with prolonged ... progressively prolonged ... heartblock #cardiology #ecg ... #ekg #diagnosis ... #electrocardiogram
Second Degree AV Block Type I aka Mobitz I / Wenckebach 
 • Normal P waves.
Second Degree AV ... may be normal or prolonged ... group-beating" on the ECG ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... assoc with 1K, AV ... , QRS widening/prolonged ... Syncope #Syndromes #ECG ... diagnosis #cardiology #electrocardiogram