15 results
Causes of Sudden Cardiac Arrest
Primary Myocardial Processes (> 90%):
 • Acquired structural heart disease: CAD, Most
Causes of Sudden ... Cardiac Arrest Primary ... Channelopathies: Long ... VT* • Acquired long ... Cardiac #Arrest #cardiology
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Causes of Pericardial ... , Takayasu Disease ... - Metastatic: Lung ... • Malignant - Primary ... #cardiology
Right-Sided Heart Failure - Differential Diagnosis Algorithm
Cardiac Causes - Rule out Left-Sided Heart Failure (Most Common):
• Diffuse Lung ... Respiratory Distress Syndrome ... • Chronic Lung ... Embolism • Primary ... #HeartFailure #Cardiology
Primary and Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Primary (Essential) (95%) - Onset between age
Causes of Hypertension ... • Long-standing ... excess (Cushing syndrome ... or disease) ... Secondary #HTN #Cardiology
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... : • Syndrome of ... • Primarily occurs ... Imaging, high res CT ... differential #diagnosis #infectiousdiseases
Causes of Primary and Functional Mitral Regurgitation (MR) 
Causes of primary mitral regurgitation
 - Rheumatic heart
Causes of Primary ... of primary mitral ... : Dilated CMP, long-standing ... #Primary #Functional ... Differential #Diagnosis #Cardiology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Diagnosis Framework Disease ... angioinvasive disease ... • CT: Halo sign ... factor • May cause ... differential #diagnosis #infectiousdiseases
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung ... lymphocytic interstitial lung ... Chest CT: • Ground-glass ... DDX - Other causes ... : • Nephrotic syndrome
Adrenal Insufficiency - Diagnosis and Management Summary
Primary Adrenal Insufficiency:
Most Common Cause in the US: Autoimmune Adrenalitis
Other
Diagnosis and Management ... Summary Primary ... or metastatic disease ... Insufficiency: Long-term ... hypophysitis, Sheehan's syndrome
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Most Common Causes ... TB, NTM, PNA • Primary ... in the adjacent lung ... of the affected lung ... high-resolution chest CT