213 results
There are two patterns of T-wave abnormality in Wellens’ syndrome:
-Type A = Biphasic, with initial positivity
abnormality in Wellens ... negativity (25% of cases ... inverted (75% of cases ... ) #Diagnosis #Cardiology ... #ECG #EKG #Wellens
Hypercalcemia - EKG Findings
Causes of Hypercalcemia 
• Malignancy 
• Milk-alkali syndrome 
• Vitamin D toxicity 
•
Hypercalcemia - EKG ... Findings Causes ... Hypercalcemia #EKG ... #ECG #Electrocardiogram ... #Diagnosis #Cardiology
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T ... Serial EKGS in pts ... #Wellens #Sign # ... EKG #ECG #Electrocardiogram ... #Diagnosis #Cardiology
Pericarditis on EKG
Stage 1 - Widespread ST elevation (<5mm) and PR depression; In aVR: ST depression
Pericarditis on EKG ... Normalization Spodick's sign ... #Pericarditis #EKG ... #ECG #electrocardiogram ... #cardiology #diagnosis
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
- Differential Diagnosis ... • Thrombus (e.g ... Myeloproliferative disorders (eg ... #Differential #Diagnosis ... #Hematology
Behcet's Syndrome - Diagnosis
Diagnostic Criteria for Behget's Syndrome (International Study Group for Behget's Disease):
 • Recurrent,
Diagnostic Criteria ... skin lesions (e.g ... (e.g. uveitis, ... Vascular lesions (e.g ... #Diagnosis #criteria
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... sign A - Biphasic ... sign B - Deeply ... #Equivalents #ECG ... #EKG #diagnosis
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
(usually IgG) (e.g ... (usually IgM) (e.g ... deficiencies (e.g ... Hemoglobinopathies (e.g ... Membrane defects (e.g
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
factor activity (e.g ... (e.g. ... Mixing #Study #diagnosis ... #hematology #pathophysiology ... #hematology #laboratory
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
cardiac syncope, e.g ... structural heart disease ... orthostatic vital sign ... and an initial ECG ... the underlying disease