42 results
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
Plump gram-negative ... Gram-negative rods ... Gram-negative rods ... Pneumonia #Patterns #Diagnosis ... #Presentation #Pulmonary
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
patients with anemia, diagnose ... Bidirectional endoscopy ... only if: • Negative ... bidirectional endoscopy ... Evaluation #workup #diagnosis
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
- Differential Diagnosis ... • Normal or negative ... pg/ml EKG: • Negative ... infarction • Gram negative ... #differential #diagnosis
Cheyne-Stokes Respirations - Also known as periodic respiration, Cheyne-Stokes (RCS) is a type of central sleep
growing-decreasing rhythm RCS negatively ... PhysicalExam #Clinical #Video ... #Pulmonary #Respiratory
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Commonly Used Diagnostic ... disease) - May be negative ... HLA-DQ8 - High negative ... treatment - Requires endoscopy ... Laboratory #Tests #Diagnosis
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... Presentation (Pulmonary ... Differential Diagnosis ... polyangiitis) - ANCA-negative ... #differential #diagnosis
Asterixis is a type of negative myoclonus characterized by irregular lapses of posture of various body
Asterixis is a type of negative ... PhysicalExam #clinical #diagnosis ... #video
Pulmonary Embolism Rule-Out Criteria

In the United States, the workup rate for PE is astonishingly high, with
Pulmonary Embolism ... risk AND PERC negative ... #Diagnosis #Pulmonary
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
TB • LTBI is diagnosed ... testing (TST) False-negative ... because false-negative ... sample = 95% • A negative ... used to exclude pulmonary
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
With associated pulmonary ... Pauci-immune mediated (Negative ... #differential #diagnosis