9 results
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
Second Degree Heart ... always within the AV ... #SecondDegree #HeartBlock ... #Diagnosis #Cardiology ... #EKG #ECG #Electrocardiogram
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
Second Degree Heart ... block is below the AV ... #SecondDegree #HeartBlock ... #Diagnosis #Cardiology ... #EKG #ECG #Electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• Block in AV ... (block beyond AV ... #summary #Diagnosis ... #EKG #electrocardiogram ... #ecg #cardiology
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
Blocks First Degree ... node Second Degree ... Blocks #heart #heartblock ... #cardiology #ecg ... #ekg #diagnosis
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Megakaryopoiesis • Aplastic ... Anemia • Toxic ... Damage (e.g. ... Displacement (e.g ... Foreign Surface (e.g
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
Algorithmic Approach ... Diagnosis Framework ... Non-hemolytic: ACD, Aplastic ... aciduria, Drugs (e.g ... #MCV #Algorithm
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
at a particular degree ... marrow failure: Aplastic ... infiltration (e.g ... Marrow suppression (e.g ... Intrinsic RBC defects (e.g
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
- Differential Diagnosis ... Algorithm Decreased ... • Marrow Aplasia ... • Secondary (e.g ... #Algorithm #Causes
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Anemia Diagnostic ... width: Measures degree ... of substrate (e.g ... insufficient for degree ... #Algorithm #Diagnosis