105 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Etiology • Secondary ... to chronic lung ... • Hypoxia • Pulmonary ... #Diagnosis #ECG ... #EKG #Management
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
EKG in Acute Pulmonary ... evaluating for other causes ... in relation to ECG ... #EKG #Pulmonary ... Embolism #AcutePE #diagnosis
There are two patterns of T-wave abnormality in Wellens’ syndrome:
-Type A = Biphasic, with initial positivity
abnormality in Wellens’ syndrome ... Type B = Deeply and ... ) #Diagnosis #Cardiology ... #ECG #EKG #Wellens ... #Syndrome #TypeA
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Cirrhosis Syndrome ... - Malignancy (e.g ... carcinoma of the lung ... pathology (e.g. ... #Table #Causes
Abnormal Lipid Profiles - Differential Diagnosis Algorithm

Increased Cholesterol and Triglycerides 
 - Genetic Causes
- Differential Diagnosis ... Cholesterol and ... Syndrome • ... Increased Estrogen (e.g ... #Algorithm #Causes
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
intracranial bleeds) and ... Secondary T wave ... #Differential #Diagnosis ... #Causes #Cardiology ... #ECG #EKG #Electrocardiogram
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Causes of Primary ... Gonadal Dysgenesis (e.g ... Gonadal Dysgenesis (e.g ... • Functional (e.g ... #Algorithm #Causes
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... High altitude (eg ... shunting (eg, pulmonary ... hepatopulmonary syndrome ... intracardiac shunting (eg
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary ... <35 years old, e.g ... • Functional (e.g ... Stalk Damage (e.g ... #Algorithm #Causes
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
- Differential Diagnosis ... Algorithm Primary ... secondary hyperparathyroidism ... ) (e.g. ... Breast, Kidney, Lung